<?xml version='1.0' encoding='UTF-8'?><?xml-stylesheet href="http://www.blogger.com/styles/atom.css" type="text/css"?><feed xmlns='http://www.w3.org/2005/Atom' xmlns:openSearch='http://a9.com/-/spec/opensearchrss/1.0/' xmlns:georss='http://www.georss.org/georss' xmlns:gd='http://schemas.google.com/g/2005' xmlns:thr='http://purl.org/syndication/thread/1.0'><id>tag:blogger.com,1999:blog-8412713488092005796</id><updated>2011-07-08T16:31:37.204+02:00</updated><category term='Opera'/><category term='arte'/><category term='Amici animali'/><category term='Religione'/><category term='Francesca'/><category term='Matematica'/><category term='scienze'/><category term='Blog per la scuola'/><category term='Gaia'/><category term='Letteratura italiana'/><title type='text'>Solo Lo Stupore Conosce</title><subtitle type='html'>AA.VV. Percorsi interdisciplinari. Appunti e spunti.</subtitle><link rel='http://schemas.google.com/g/2005#feed' type='application/atom+xml' href='http://sololostuporeconosce.blogspot.com/feeds/posts/default'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default?max-results=100'/><link rel='alternate' type='text/html' href='http://sololostuporeconosce.blogspot.com/'/><link rel='hub' href='http://pubsubhubbub.appspot.com/'/><author><name>Arianna</name><uri>http://www.blogger.com/profile/16732139773920819821</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='24' src='http://2.bp.blogspot.com/_Z6rcQZFNI6I/SeLoqU0oV1I/AAAAAAAAAOo/wReXJAc0Loc/S220/1148799088Eclissi_luna.jpg'/></author><generator version='7.00' uri='http://www.blogger.com'>Blogger</generator><openSearch:totalResults>22</openSearch:totalResults><openSearch:startIndex>1</openSearch:startIndex><openSearch:itemsPerPage>100</openSearch:itemsPerPage><entry><id>tag:blogger.com,1999:blog-8412713488092005796.post-1497737078905844026</id><published>2011-03-11T20:55:00.011+01:00</published><updated>2011-03-13T11:49:50.097+01:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='scienze'/><title type='text'>Il meraviglioso mondo floreale...</title><content type='html'>&lt;div class="separator" style="clear: both; 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&lt;/xml&gt;&lt;![endif]--&gt;&lt;!--[if gte mso 10]&gt; &lt;style&gt; /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Tabella normale"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin-top:0cm; mso-para-margin-right:0cm; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0cm; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin;}&lt;/style&gt; &lt;![endif]--&gt;  &lt;div class="MsoNormal" style="background: none repeat scroll 0% 0% rgb(217, 234, 211); line-height: normal; margin-bottom: 0.0001pt;"&gt;&lt;b&gt;&lt;span style="color: #379b51; font-family: &amp;quot;Monotype Corsiva&amp;quot;; font-size: 20pt;"&gt;"Osservare il mondo vegetale è semplicemente straordinario!&amp;nbsp;&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="background: none repeat scroll 0% 0% rgb(217, 234, 211); line-height: normal; margin-bottom: 0.0001pt;"&gt;&lt;b&gt;&lt;span style="color: #379b51; font-family: &amp;quot;Monotype Corsiva&amp;quot;; font-size: 20pt;"&gt;Attraverso questa ricerca ho avuto modo di soffermarmi ad ammirarne le sue incredibili varietà di colori, forme e bellezze.&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="MsoNormal" style="background: none repeat scroll 0% 0% rgb(217, 234, 211); line-height: normal; margin-bottom: 0.0001pt;"&gt;&lt;b&gt;&lt;span style="color: #379b51; font-family: &amp;quot;Monotype Corsiva&amp;quot;; font-size: 20pt;"&gt;Tutto sembrava così scontato e semplice e invece da un'attenta osservazione di questo quarto Regno della Natura ho avuto modo di conoscere e apprezzare il perfetto equilibrio di ogni singolo elemento rispetto all'ambiente circostante."&amp;nbsp; Maria Paola.&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div style="background-color: white;"&gt;&lt;span style="font-size: small;"&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="background-color: white; color: #38761d;"&gt;&lt;b&gt;&lt;span style="font-size: x-small;"&gt;&lt;i&gt;(Classe II, scuola sec. I grado, a.s.2010/2011)&lt;/i&gt;&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/8412713488092005796-1497737078905844026?l=sololostuporeconosce.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://sololostuporeconosce.blogspot.com/feeds/1497737078905844026/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=8412713488092005796&amp;postID=1497737078905844026' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/1497737078905844026'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/1497737078905844026'/><link rel='alternate' type='text/html' href='http://sololostuporeconosce.blogspot.com/2011/03/il-meraviglioso-mondo-floreale-le-mie.html' title='Il meraviglioso mondo floreale...'/><author><name>Arianna</name><uri>http://www.blogger.com/profile/16732139773920819821</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='24' src='http://2.bp.blogspot.com/_Z6rcQZFNI6I/SeLoqU0oV1I/AAAAAAAAAOo/wReXJAc0Loc/S220/1148799088Eclissi_luna.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='https://lh5.googleusercontent.com/-3-ukxAenfmg/TXyZvj6uOkI/AAAAAAAAAQs/f-UZe9Z3Pi8/s72-c/20092010+101.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-8412713488092005796.post-6653875555941870279</id><published>2009-10-20T19:21:00.005+02:00</published><updated>2009-10-20T19:29:02.478+02:00</updated><title type='text'>Conoscenza... e prodigio.</title><content type='html'>&lt;div style="text-align: center;"&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_Z6rcQZFNI6I/St3v4ZPfARI/AAAAAAAAAQQ/KsbO_oQIyTA/s1600-h/solepino.jpg"&gt;&lt;img style="cursor: pointer; width: 268px; height: 202px;" src="http://4.bp.blogspot.com/_Z6rcQZFNI6I/St3v4ZPfARI/AAAAAAAAAQQ/KsbO_oQIyTA/s200/solepino.jpg" alt="" id="BLOGGER_PHOTO_ID_5394731680787267858" border="0" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;br /&gt;&lt;div style="text-align: center; color: rgb(0, 153, 0);"&gt;&lt;em&gt;«Conoscere non è un atto solo materiale, perché il conosciuto nasconde sempre qualcosa che va al di là del dato empirico.&lt;br /&gt;Ogni nostra conoscenza, anche la più semplice, è sempre un piccolo prodigio, perché non si spiega mai completamente con gli strumenti materiali che adoperiamo.&lt;br /&gt;In ogni verità c'è più di quanto noi stessi ci saremmo aspettati.&lt;br /&gt;Nell'amore che riceviamo c'è sempre qualcosa che ci sorprende.&lt;br /&gt;In ogni conoscenza ed in ogni atto d'amore l'anima dell'uomo sperimenta un "di più" che assomiglia molto a un dono ricevuto, ad un'altezza a cui ci sentiamo elevati»&lt;/em&gt;&lt;br /&gt;&lt;span style="font-size:85%;"&gt;&lt;span style="font-style: italic;"&gt;Benedetto XVI, Caritas in veritate&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/8412713488092005796-6653875555941870279?l=sololostuporeconosce.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://sololostuporeconosce.blogspot.com/feeds/6653875555941870279/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=8412713488092005796&amp;postID=6653875555941870279' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/6653875555941870279'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/6653875555941870279'/><link rel='alternate' type='text/html' href='http://sololostuporeconosce.blogspot.com/2009/10/conoscenza-e-prodigio_20.html' title='Conoscenza... e prodigio.'/><author><name>Arianna</name><uri>http://www.blogger.com/profile/16732139773920819821</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='24' src='http://2.bp.blogspot.com/_Z6rcQZFNI6I/SeLoqU0oV1I/AAAAAAAAAOo/wReXJAc0Loc/S220/1148799088Eclissi_luna.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/_Z6rcQZFNI6I/St3v4ZPfARI/AAAAAAAAAQQ/KsbO_oQIyTA/s72-c/solepino.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-8412713488092005796.post-2334760851407468946</id><published>2009-09-28T17:12:00.006+02:00</published><updated>2009-09-28T17:26:57.508+02:00</updated><title type='text'>Il senso del mistero</title><content type='html'>&lt;div style="text-align: center; color: rgb(0, 51, 51);"&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://3.bp.blogspot.com/_Z6rcQZFNI6I/SsDU86tJIZI/AAAAAAAAAQA/htPVPzo1WD4/s1600-h/Einstein.jpg"&gt;&lt;img style="cursor: pointer; width: 200px; height: 189px;" src="http://3.bp.blogspot.com/_Z6rcQZFNI6I/SsDU86tJIZI/AAAAAAAAAQA/htPVPzo1WD4/s200/Einstein.jpg" alt="" id="BLOGGER_PHOTO_ID_5386539297350951314" border="0" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;br /&gt;"La più bella e profonda emozione che possiamo provare è il senso del mistero. Sta qui il seme di ogni arte, di ogni vera scienza. L'uomo per il quale non è più familiare il senso del mistero, che ha perso la facoltà di meravigliarsi davanti alla creazione, è come un uomo morto, o almeno cieco."&lt;br /&gt;&lt;/div&gt;&lt;div style="text-align: center; color: rgb(0, 51, 51); font-weight: bold;"&gt;&lt;span style="color: rgb(51, 255, 51);font-size:85%;" &gt;&lt;span style="font-style: italic; color: rgb(0, 51, 51);"&gt;(A. Einstein) &lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/8412713488092005796-2334760851407468946?l=sololostuporeconosce.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://sololostuporeconosce.blogspot.com/feeds/2334760851407468946/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=8412713488092005796&amp;postID=2334760851407468946' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/2334760851407468946'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/2334760851407468946'/><link rel='alternate' type='text/html' href='http://sololostuporeconosce.blogspot.com/2009/09/il-senso-del-mistero.html' title='Il senso del mistero'/><author><name>Arianna</name><uri>http://www.blogger.com/profile/16732139773920819821</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='24' src='http://2.bp.blogspot.com/_Z6rcQZFNI6I/SeLoqU0oV1I/AAAAAAAAAOo/wReXJAc0Loc/S220/1148799088Eclissi_luna.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://3.bp.blogspot.com/_Z6rcQZFNI6I/SsDU86tJIZI/AAAAAAAAAQA/htPVPzo1WD4/s72-c/Einstein.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-8412713488092005796.post-4924570820913133933</id><published>2009-08-22T13:05:00.028+02:00</published><updated>2009-08-22T18:44:05.095+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='scienze'/><title type='text'>Conoscenza, mistero, stupore!</title><content type='html'>&lt;div align="center"&gt;&lt;span style="font-family:trebuchet ms;"&gt;&lt;strong&gt;&lt;span style="color: rgb(0, 153, 0);"&gt;&lt;/span&gt;&lt;/strong&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;span style="color: rgb(0, 153, 0);"&gt;&lt;span style="font-family:trebuchet ms;"&gt;&lt;strong&gt;Ad una maggiore conoscenza si accompagna un più insondabile e meraviglioso mistero, che spinge a penetare ancora più in profondità. Mai preoccupati che la risposta ci possa deludere, con piacere e fiducia solleviamo ogni nuova pietra per trovare stranezze inimmaginabili. Certamente una grande avventura!"&lt;/strong&gt;&lt;/span&gt;&lt;/span&gt; &lt;div align="center"&gt;&lt;span style="color: rgb(0, 153, 0);font-family:Trebuchet MS;" &gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;span style="color: rgb(0, 153, 0);font-family:trebuchet ms;" &gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;span style="color: rgb(0, 153, 0);font-family:trebuchet ms;font-size:85%;"  &gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;span style="color: rgb(0, 153, 0);font-family:trebuchet ms;font-size:85%;"  &gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;span style="color: rgb(0, 153, 0);font-family:trebuchet ms;font-size:85%;"  &gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;span style="color: rgb(0, 153, 0);font-family:trebuchet ms;font-size:85%;"  &gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;span style="color: rgb(0, 153, 0);font-family:trebuchet ms;font-size:85%;"  &gt;&lt;/span&gt;&lt;/div&gt;&lt;em&gt;&lt;span style="color: rgb(0, 153, 0);font-family:trebuchet ms;font-size:85%;"  &gt;&lt;strong&gt;&lt;a href="http://www.torinoscienza.it/personaggi/apri?obj_id=364"&gt;(R. Feynman)&lt;/a&gt;&lt;br /&gt;&lt;br /&gt;&lt;/strong&gt;&lt;/span&gt;&lt;/em&gt;&lt;p align="center"&gt;&lt;a href="http://3.bp.blogspot.com/_Z6rcQZFNI6I/So_d_RTsW3I/AAAAAAAAAP4/mnAaaOqBPBU/s1600-h/fmain.jpg"&gt;&lt;span style="color: rgb(0, 153, 0);font-family:trebuchet ms;" &gt;&lt;img style="width: 369px; height: 274px;" id="BLOGGER_PHOTO_ID_5372756959523789682" alt="" src="http://3.bp.blogspot.com/_Z6rcQZFNI6I/So_d_RTsW3I/AAAAAAAAAP4/mnAaaOqBPBU/s200/fmain.jpg" border="0" /&gt;&lt;/span&gt;&lt;/a&gt;&lt;/p&gt; &lt;em&gt;&lt;span style="color: rgb(0, 153, 0);font-family:trebuchet ms;font-size:85%;"  &gt;&lt;strong&gt;&lt;br /&gt;&lt;/strong&gt;&lt;/span&gt;&lt;/em&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;strong&gt;&lt;em&gt;&lt;/em&gt;&lt;/strong&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;em&gt;&lt;/em&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;em&gt;&lt;/em&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;span style="color: rgb(51, 255, 51);"&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/8412713488092005796-4924570820913133933?l=sololostuporeconosce.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://sololostuporeconosce.blogspot.com/feeds/4924570820913133933/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=8412713488092005796&amp;postID=4924570820913133933' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/4924570820913133933'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/4924570820913133933'/><link rel='alternate' type='text/html' href='http://sololostuporeconosce.blogspot.com/2009/08/mistero-e-stupore.html' title='Conoscenza, mistero, stupore!'/><author><name>Arianna</name><uri>http://www.blogger.com/profile/16732139773920819821</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='24' src='http://2.bp.blogspot.com/_Z6rcQZFNI6I/SeLoqU0oV1I/AAAAAAAAAOo/wReXJAc0Loc/S220/1148799088Eclissi_luna.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://3.bp.blogspot.com/_Z6rcQZFNI6I/So_d_RTsW3I/AAAAAAAAAP4/mnAaaOqBPBU/s72-c/fmain.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-8412713488092005796.post-3231633029997585373</id><published>2009-04-13T09:47:00.001+02:00</published><updated>2009-04-13T09:53:32.963+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Amici animali'/><category scheme='http://www.blogger.com/atom/ns#' term='scienze'/><title type='text'>Eight Below - Otto amici da salvare!</title><content type='html'>&lt;object height="344" width="425"&gt;&lt;param name="movie" value="http://www.youtube.com/v/OSwlozB-zyE&amp;amp;hl=it&amp;amp;fs=1"&gt;&lt;param name="allowFullScreen" value="true"&gt;&lt;param name="allowscriptaccess" value="always"&gt;&lt;embed src="http://www.youtube.com/v/OSwlozB-zyE&amp;hl=it&amp;fs=1" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="425" height="344"&gt;&lt;/embed&gt;&lt;/object&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/8412713488092005796-3231633029997585373?l=sololostuporeconosce.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://sololostuporeconosce.blogspot.com/feeds/3231633029997585373/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=8412713488092005796&amp;postID=3231633029997585373' title='1 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/3231633029997585373'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/3231633029997585373'/><link rel='alternate' type='text/html' href='http://sololostuporeconosce.blogspot.com/2009/04/eight-below.html' title='Eight Below - Otto amici da salvare!'/><author><name>Arianna</name><uri>http://www.blogger.com/profile/16732139773920819821</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='24' src='http://2.bp.blogspot.com/_Z6rcQZFNI6I/SeLoqU0oV1I/AAAAAAAAAOo/wReXJAc0Loc/S220/1148799088Eclissi_luna.jpg'/></author><thr:total>1</thr:total></entry><entry><id>tag:blogger.com,1999:blog-8412713488092005796.post-7604450659707616754</id><published>2008-09-18T14:55:00.007+02:00</published><updated>2008-09-18T15:39:14.105+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='scienze'/><title type='text'>Il cane, i colori.</title><content type='html'>&lt;a href="http://1.bp.blogspot.com/_Z6rcQZFNI6I/SNJQJjJSkEI/AAAAAAAAANc/kH-q2aE0dC8/s1600-h/come+cane.png"&gt;&lt;img id="BLOGGER_PHOTO_ID_5247344640823300162" style="WIDTH: 432px; CURSOR: hand; HEIGHT: 176px" height="176" alt="" src="http://1.bp.blogspot.com/_Z6rcQZFNI6I/SNJQJjJSkEI/AAAAAAAAANc/kH-q2aE0dC8/s320/come+cane.png" width="353" border="0" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;br /&gt;&lt;strong&gt;L'immagine a sinistra è quello che vede un cane: vede nel &lt;span style="color:#000099;"&gt;&lt;span style="font-size:130%;"&gt;blu&lt;/span&gt; &lt;/span&gt;e nel &lt;span style="color:#ffcc00;"&gt;&lt;span style="font-size:180%;"&gt;&lt;span style="color:#ffff00;"&gt;giallo&lt;/span&gt;.&lt;/span&gt;&lt;/span&gt;&lt;/strong&gt;&lt;span style="color:#ffcc00;"&gt;&lt;br /&gt;&lt;/span&gt;&lt;span style="color:#ffff00;"&gt;&lt;/span&gt;&lt;br /&gt;Quindi, una figura come questa (un signore con una camicia rossa) il cane la vede così.&lt;br /&gt;La macchina che è un po' rosina, il cane la vede gialla.&lt;br /&gt;I cani sono dicromatici, mentre noi siamo tricromatici.&lt;br /&gt;&lt;a href="http://www.euresis.org/it/Dettaglio_Articoli.aspx?id=31"&gt;&lt;/a&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/8412713488092005796-7604450659707616754?l=sololostuporeconosce.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://sololostuporeconosce.blogspot.com/feeds/7604450659707616754/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=8412713488092005796&amp;postID=7604450659707616754' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/7604450659707616754'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/7604450659707616754'/><link rel='alternate' type='text/html' href='http://sololostuporeconosce.blogspot.com/2008/09/il-canei-colori.html' title='Il cane, i colori.'/><author><name>Arianna</name><uri>http://www.blogger.com/profile/16732139773920819821</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='24' src='http://2.bp.blogspot.com/_Z6rcQZFNI6I/SeLoqU0oV1I/AAAAAAAAAOo/wReXJAc0Loc/S220/1148799088Eclissi_luna.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_Z6rcQZFNI6I/SNJQJjJSkEI/AAAAAAAAANc/kH-q2aE0dC8/s72-c/come+cane.png' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-8412713488092005796.post-2208457131635296262</id><published>2008-08-08T09:14:00.005+02:00</published><updated>2008-08-08T09:38:05.844+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='scienze'/><title type='text'>Arcobaleno 3</title><content type='html'>&lt;a href="http://2.bp.blogspot.com/_Z6rcQZFNI6I/SJvyjooS8HI/AAAAAAAAAJE/6l_V8hs8XOQ/s1600-h/800px-Rainbows.jpg"&gt;&lt;img id="BLOGGER_PHOTO_ID_5232042086136737906" style="WIDTH: 366px; CURSOR: hand; HEIGHT: 239px" height="229" alt="" src="http://2.bp.blogspot.com/_Z6rcQZFNI6I/SJvyjooS8HI/AAAAAAAAAJE/6l_V8hs8XOQ/s320/800px-Rainbows.jpg" width="348" border="0" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;br /&gt;&lt;div align="justify"&gt;&lt;span style="font-family:trebuchet ms;"&gt;Ma perché i raggi solari deviati dalle gocce d’acqua vanno a formare col raggio incidente proprio un angolo di 41,83°? Poiché le gocce sono sferiche, ed i raggi solari incidono sulla intera loro superficie, che è ricurva, i raggi dovrebbero venir deviati anche in altre direzioni; anzi, in tutte le direzioni all’interno di un certo cono. Così infatti avviene, ma l’occhio percepisce solo i raggi con quel certo angolo. &lt;/span&gt;&lt;/div&gt;&lt;div align="justify"&gt;&lt;span style="font-family:trebuchet ms;"&gt;Ma perché tutti gli altri, formanti con la direzione del sole un angolo δ diverso da 41,83°, non vengono percepiti? &lt;/span&gt;&lt;/div&gt;&lt;div align="justify"&gt;&lt;span style="font-family:trebuchet ms;"&gt;La ragione è questa: i fascetti di raggi solari che vengono deviati formando un angolo δ di 41,83° emergono dalla goccia ancora come fascetti paralleli, e sono detti “raggi di Cartesio”; l’energia del fascio non viene “sparpagliata”ed il nostro occhio percepisce in quella direzione una maggiore brillanza, cioè un punto dell’arcobaleno. Tutti gli altri fascetti emergono con un diverso angolo, ma non sono paralleli: o sono divergenti o sono convergenti e la loro energia viene rapidamente “sparpagliata” divenendo troppo debole per essere percepita. Nelle altre direzioni, cioè, la luce rinviata dalle gocce e capace di entrare nella pupilla dell’ osservatore è troppo scarsa. Il fatto che l’arcobaleno presenti l’orlo esterno rosso e l’interno viola è dovuto al fatto che per il colore rosso l’angolo δ è maggiore e quindi “l’arcobaleno rosso” appare più ampio degli altri; il contrario per l’altro estremo dello ”spettro”, quello che ci dà la sensazione di viola, che produce una deviazione δ minore e mostra un arcobaleno più piccolo, all’interno di quelli degli altri colori.&lt;/span&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/8412713488092005796-2208457131635296262?l=sololostuporeconosce.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://sololostuporeconosce.blogspot.com/feeds/2208457131635296262/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=8412713488092005796&amp;postID=2208457131635296262' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/2208457131635296262'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/2208457131635296262'/><link rel='alternate' type='text/html' href='http://sololostuporeconosce.blogspot.com/2008/08/arcobaleno-3.html' title='Arcobaleno 3'/><author><name>Arianna</name><uri>http://www.blogger.com/profile/16732139773920819821</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='24' src='http://2.bp.blogspot.com/_Z6rcQZFNI6I/SeLoqU0oV1I/AAAAAAAAAOo/wReXJAc0Loc/S220/1148799088Eclissi_luna.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://2.bp.blogspot.com/_Z6rcQZFNI6I/SJvyjooS8HI/AAAAAAAAAJE/6l_V8hs8XOQ/s72-c/800px-Rainbows.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-8412713488092005796.post-2067555428197397925</id><published>2008-08-08T07:53:00.014+02:00</published><updated>2008-08-09T19:11:08.663+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Matematica'/><title type='text'>Arcobaleno 2</title><content type='html'>&lt;a href="http://4.bp.blogspot.com/_Z6rcQZFNI6I/SJvvA98LkKI/AAAAAAAAAI8/YpcoiP33MBE/s1600-h/554882600Arcobaleno.jpg"&gt;&lt;/a&gt;&lt;a href="http://3.bp.blogspot.com/_Z6rcQZFNI6I/SJvh3h3HT4I/AAAAAAAAAI0/WqOhq8lHC0E/s1600-h/!30schema.jpg"&gt;&lt;img id="BLOGGER_PHOTO_ID_5232023736219553666" style="WIDTH: 392px; CURSOR: hand; HEIGHT: 334px" height="237" alt="" src="http://3.bp.blogspot.com/_Z6rcQZFNI6I/SJvh3h3HT4I/AAAAAAAAAI0/WqOhq8lHC0E/s320/!30schema.jpg" width="265" border="0" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;div align="justify"&gt;&lt;br /&gt;L’arcobaleno ha la forma di un arco di circonferenza e il centro della circonferenza si trova su una retta che congiunge il sole con l’occhio dell’osservatore. L’arcobaleno si trova sempre dalla parte opposta al sole rispetto all’osservatore.&lt;br /&gt;&lt;a href="http://4.bp.blogspot.com/_Z6rcQZFNI6I/SJvhA4_ncwI/AAAAAAAAAIs/6JSkq4jV5Zw/s1600-h/arcmat.bmp"&gt;&lt;img id="BLOGGER_PHOTO_ID_5232022797536424706" style="WIDTH: 412px; CURSOR: hand; HEIGHT: 285px" height="290" alt="" src="http://4.bp.blogspot.com/_Z6rcQZFNI6I/SJvhA4_ncwI/AAAAAAAAAIs/6JSkq4jV5Zw/s320/arcmat.bmp" width="387" border="0" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;span style="font-family:trebuchet ms;"&gt;P&lt;/span&gt;&lt;span style="font-family:trebuchet ms;color:#333333;"&gt;er spiegare questo, bisogna considerare i raggi solari come SG o S’O; nella figura, G rappresenta una generica goccia d’acqua disegnata non in scala con il resto della scena; la retta SG è disegnata parallela alla retta S’O e si suppone che, data la grande distanza, il sole possa giacere sia sulla retta SG che sulla S’O , poiché “due parallele si incontrano all’infinito”: quindi il sole è rappresentabile sia col punto S che col punto S’. Quando i raggi solari, tutti sensibilmente paralleli ad SG, incontrano le innumerevoli gocce della nube, bisogna ammettere che, attraversando le gocce, di forma all’incirca sferica, essi subiscano qualche riflessione interna ed emergano dalle gocce formando un angolo acuto δ col raggio “incidente” SG; poiché questo angolo è acuto, i raggi tornano verso l’osservatore e la goccia responsabile di questa deviazione si trova, rispetto all’osservatore, dalla parte opposta al sole. In altre parole, se l’osservatore guarda dalla parte opposta al sole, vedrà una gran quantità di gocce che rinviano verso di lui i raggi solari i quali poi formano tutti un angolo δ col raggio in arrivo o “incidente” (SG). Poiché però le gocce sono innumerevoli, in tutte le direzioni (come OG) che formano un angolo pari a δ colla direzione del sole (SG), si deve vedere una brillanza particolare, dovuta a tutti i raggi deviati come OG. Ecco perché l’arcobaleno ha la forma di un cerchio: tutti i raggi come OG formano colla direzione del sole (S’OS”) lo stesso angolo δ e pertanto giacciono sulla superficie di un cono che ha per asse la retta S’O S” e per apertura δ: poiché la sezione retta di un cono è un cerchio, anche l’arcobaleno è circolare (A - A’ - A” in figura) ed il centro di questo cerchio (S”) deve giacere sull’asse del cono, cioè sulla retta S’OS” , come si è detto sopra, e quindi sotto l’orizzonte.&lt;br /&gt;L’angolo di deviazione δ è pari a circa 41,83°. &lt;/span&gt;&lt;/div&gt;&lt;span style="color:#333333;"&gt;&lt;div align="justify"&gt;&lt;br /&gt;&lt;span style="font-family:trebuchet ms;"&gt;Possiamo concludere che l’arcobaleno si osserva in una direzione che forma sempre, rispetto alla direzione del sole (S’OS”), un angolo di 41, 83°. Se l’osservatore si trova in una regione pianeggiante ed il sole è distante dall’orizzonte di un angolo α, minore di 41,83 , l’osservatore&lt;br /&gt;vedrà l’arcobaleno come un arco di ampiezza inferiore a 180°: potrebbe raggiungere questo valore soltanto se il sole si trovasse esattamente all’orizzonte. Via via che il sole si alza, l’arcobaleno si abbassa e la porzione visibile di esso diminuisce di ampiezza; quando il sole si trova a 41,83° dall’orizzonte (o più di 41,83°), l’arcobaleno diviene invisibile.&lt;br /&gt;Qualche eccezione a questa regola è comunque possibile.&lt;br /&gt;&lt;br /&gt;&lt;/span&gt;&lt;/div&gt;&lt;/span&gt;&lt;p align="right"&gt;&lt;a href="http://4.bp.blogspot.com/_Z6rcQZFNI6I/SJvhA4_ncwI/AAAAAAAAAIs/6JSkq4jV5Zw/s1600-h/arcmat.bmp"&gt;&lt;/a&gt;&lt;/p&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/8412713488092005796-2067555428197397925?l=sololostuporeconosce.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://sololostuporeconosce.blogspot.com/feeds/2067555428197397925/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=8412713488092005796&amp;postID=2067555428197397925' title='1 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/2067555428197397925'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/2067555428197397925'/><link rel='alternate' type='text/html' href='http://sololostuporeconosce.blogspot.com/2008/08/blog-post.html' title='Arcobaleno 2'/><author><name>Arianna</name><uri>http://www.blogger.com/profile/16732139773920819821</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='24' src='http://2.bp.blogspot.com/_Z6rcQZFNI6I/SeLoqU0oV1I/AAAAAAAAAOo/wReXJAc0Loc/S220/1148799088Eclissi_luna.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://3.bp.blogspot.com/_Z6rcQZFNI6I/SJvh3h3HT4I/AAAAAAAAAI0/WqOhq8lHC0E/s72-c/!30schema.jpg' height='72' width='72'/><thr:total>1</thr:total></entry><entry><id>tag:blogger.com,1999:blog-8412713488092005796.post-7206951085477980368</id><published>2008-08-07T08:14:00.065+02:00</published><updated>2008-08-08T09:36:19.863+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='scienze'/><title type='text'>Arcobaleno 1</title><content type='html'>&lt;a href="http://3.bp.blogspot.com/_Z6rcQZFNI6I/SJrfKaB96II/AAAAAAAAAIE/9ql0yUm_3Q4/s1600-h/arcobaleno.gif"&gt;&lt;img id="BLOGGER_PHOTO_ID_5231739287023511682" style="FLOAT: left; MARGIN: 0px 10px 10px 0px; WIDTH: 278px; CURSOR: hand; HEIGHT: 256px" height="283" alt="" src="http://3.bp.blogspot.com/_Z6rcQZFNI6I/SJrfKaB96II/AAAAAAAAAIE/9ql0yUm_3Q4/s320/arcobaleno.gif" width="299" border="0" /&gt;&lt;/a&gt; &lt;span style="font-family:trebuchet ms;font-size:85%;color:#33cc00;"&gt;&lt;em&gt;&lt;strong&gt;&lt;span style="color:#ff6600;"&gt;&lt;span style="color:#000066;"&gt;L'arcobaleno è un arco luminoso in cui si può osservare la scomposizione della luce visibile nel suo spettro corrispondente ai colori convenzionali&lt;/span&gt; -&lt;/span&gt;&lt;span style="color:#ff0000;"&gt;rosso,&lt;/span&gt; &lt;span style="color:#ff9900;"&gt;arancione,&lt;/span&gt; &lt;span style="color:#ffff00;"&gt;giallo,&lt;/span&gt; verde, &lt;span style="color:#00cccc;"&gt;azzurro,&lt;/span&gt; &lt;span style="color:#000099;"&gt;indaco,&lt;/span&gt; &lt;span style="color:#6600cc;"&gt;violetto-&lt;/span&gt;.&lt;span style="color:#ff6600;"&gt; &lt;/span&gt;&lt;span style="color:#000066;"&gt;Esso può essere osservato in direzione opposta a quella del Sole quando nell'aria sono presenti minuscole goccioline d'acqua tenute in sospensione da correnti ascensionali, o cadenti dalle nubi, o in prossimità di cascate, ecc..&lt;/span&gt;&lt;/strong&gt;&lt;/em&gt;&lt;/span&gt; &lt;div align="center"&gt;&lt;strong&gt;&lt;em&gt;&lt;span style="font-family:Trebuchet MS;font-size:85%;color:#ff6600;"&gt;&lt;/span&gt;&lt;/em&gt;&lt;/strong&gt;&lt;/div&gt;&lt;div&gt;&lt;br /&gt;&lt;/div&gt;&lt;div align="left"&gt;&lt;span style="color:#666666;"&gt;&lt;em&gt;&lt;strong&gt;L’arcobaleno &lt;/strong&gt;&lt;/em&gt;&lt;em&gt;&lt;strong&gt;è una sensazione, &lt;/strong&gt;&lt;/em&gt;&lt;em&gt;&lt;strong&gt;creata nel nostro occhio &lt;/strong&gt;&lt;/em&gt;&lt;em&gt;&lt;strong&gt;da certi fenomeni ottici &lt;/strong&gt;&lt;/em&gt;&lt;em&gt;&lt;strong&gt;che si svolgono &lt;/strong&gt;&lt;/em&gt;&lt;em&gt;&lt;strong&gt;all’interno delle gocce d’acqua . &lt;/strong&gt;&lt;/em&gt;&lt;em&gt;&lt;strong&gt;L’arcobaleno non è un oggetto, &lt;/strong&gt;&lt;/em&gt;&lt;/span&gt;&lt;span style="color:#666666;"&gt;&lt;em&gt;&lt;strong&gt;ma un’impressione &lt;/strong&gt;&lt;/em&gt;&lt;em&gt;&lt;strong&gt;creata da certi raggi solari &lt;/strong&gt;&lt;/em&gt;&lt;/span&gt;&lt;span style="color:#666666;"&gt;&lt;strong&gt;&lt;em&gt;deviati &lt;/em&gt;&lt;em&gt;in un certo modo &lt;/em&gt;&lt;/strong&gt;&lt;em&gt;&lt;strong&gt;dalle gocce di pioggia. &lt;/strong&gt;&lt;/em&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="left"&gt;&lt;span style="color:#666666;"&gt;&lt;em&gt;&lt;strong&gt;In un certo senso, &lt;/strong&gt;&lt;/em&gt;&lt;em&gt;&lt;strong&gt;simile &lt;/strong&gt;&lt;/em&gt;&lt;em&gt;&lt;strong&gt;ad un’illusione &lt;/strong&gt;&lt;/em&gt;&lt;em&gt;&lt;strong&gt;ottica.&lt;/strong&gt; &lt;/em&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="left"&gt;&lt;br /&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;em&gt;&lt;span style="color:#333333;"&gt;&lt;/span&gt;&lt;/em&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;em&gt;&lt;span style="color:#333333;"&gt;&lt;/span&gt;&lt;/em&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;em&gt;&lt;span style="color:#333333;"&gt;&lt;/span&gt;&lt;/em&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;em&gt;&lt;span style="color:#333333;"&gt;&lt;/span&gt;&lt;/em&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;em&gt;&lt;span style="color:#333333;"&gt;&lt;/span&gt;&lt;/em&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;/div&gt;&lt;div align="left"&gt;&lt;em&gt;&lt;span style="color:#333333;"&gt;&lt;/span&gt;&lt;/em&gt;&lt;/div&gt;&lt;div align="left"&gt;&lt;span style="font-family:trebuchet ms;color:#000066;"&gt;&lt;em&gt;L'aspetto di un arcobaleno è provocato dalla dispersione ottica della luce solare che attraversa le gocce di pioggia. La luce viene prima rifratta quando entra nella superficie della goccia, riflessa sul retro della goccia e ancora rifratta come lascia la goccia. &lt;/em&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000066;"&gt;&lt;br /&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="left"&gt;&lt;span style="color:#000066;"&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="justify"&gt;&lt;span style="font-family:trebuchet ms;color:#000066;"&gt;&lt;em&gt;&lt;/em&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="justify"&gt;&lt;span style="font-family:trebuchet ms;color:#000066;"&gt;&lt;em&gt;L'effetto complessivo è che la luce in arrivo viene riflessa in una larga gamma di angoli, con la luce più intensa riflessa con un angolo di 40°–42°. L'angolo è indipendente dalla dimensione della goccia, ma dipende dal suo indice di rifrazione. &lt;/em&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000066;"&gt;&lt;br /&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="justify"&gt;&lt;span style="font-family:trebuchet ms;color:#000066;"&gt;&lt;em&gt;&lt;/em&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="justify"&gt;&lt;span style="font-family:trebuchet ms;color:#000066;"&gt;&lt;em&gt;La quantità di quale luce viene rifratta dipende dalla sua lunghezza d'onda, e quindi dal suo colore. La luce blu (onde più corte) viene rifratta ad un angolo più grande di quella rossa, ma siccome l'area nel retro di una gocciolina ha un punto focale al suo interno, lo spettro lo attraversa, e così la luce rossa appare più alta nel cielo, formando i colori esterni dell'arcobaleno. &lt;/em&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/8412713488092005796-7206951085477980368?l=sololostuporeconosce.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://sololostuporeconosce.blogspot.com/feeds/7206951085477980368/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=8412713488092005796&amp;postID=7206951085477980368' title='1 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/7206951085477980368'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/7206951085477980368'/><link rel='alternate' type='text/html' href='http://sololostuporeconosce.blogspot.com/2008/08/larcobaleno-un-arco-luminoso-in-cui-si.html' title='Arcobaleno 1'/><author><name>Arianna</name><uri>http://www.blogger.com/profile/16732139773920819821</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='24' src='http://2.bp.blogspot.com/_Z6rcQZFNI6I/SeLoqU0oV1I/AAAAAAAAAOo/wReXJAc0Loc/S220/1148799088Eclissi_luna.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://3.bp.blogspot.com/_Z6rcQZFNI6I/SJrfKaB96II/AAAAAAAAAIE/9ql0yUm_3Q4/s72-c/arcobaleno.gif' height='72' width='72'/><thr:total>1</thr:total></entry><entry><id>tag:blogger.com,1999:blog-8412713488092005796.post-6280247084624759168</id><published>2008-08-02T12:45:00.007+02:00</published><updated>2008-12-09T19:56:47.765+01:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Religione'/><title type='text'>L'arco dell'alleanza.</title><content type='html'>&lt;a href="http://4.bp.blogspot.com/_Z6rcQZFNI6I/SJQ7TkBPoLI/AAAAAAAAAGs/fRiC4nfC90w/s1600-h/Arcobaleno_sulle_cime_del_San_Sebastiano_di_Luca_Smaniotto.jpg"&gt;&lt;img id="BLOGGER_PHOTO_ID_5229870274556436658" style="margin: 0px auto 10px; display: block; width: 358px; height: 323px; text-align: center;" alt="" src="http://4.bp.blogspot.com/_Z6rcQZFNI6I/SJQ7TkBPoLI/AAAAAAAAAGs/fRiC4nfC90w/s320/Arcobaleno_sulle_cime_del_San_Sebastiano_di_Luca_Smaniotto.jpg" border="0" height="310" width="299" /&gt;&lt;/a&gt;&lt;span style="font-size:130%;"&gt;&lt;span style="color: rgb(255, 0, 0);"&gt;Dio disse: &lt;em&gt;"Quando radunerò le nubi sulla terra e apparirà l'arco sulle nubi ricorderò la mia alleanza che è tra me e voi... L'arco sarà sulle nubi e io lo guarderò per ricordare l'alleanza eterna... " &lt;/em&gt;&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;&lt;span style="font-size:130%;"&gt;&lt;span style="color: rgb(255, 0, 0);"&gt;&lt;em&gt;(Genesi 9, 14-16).&lt;/em&gt;&lt;br /&gt;&lt;em&gt;&lt;/em&gt;&lt;br /&gt;&lt;/span&gt;&lt;/span&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/8412713488092005796-6280247084624759168?l=sololostuporeconosce.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://sololostuporeconosce.blogspot.com/feeds/6280247084624759168/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=8412713488092005796&amp;postID=6280247084624759168' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/6280247084624759168'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/6280247084624759168'/><link rel='alternate' type='text/html' href='http://sololostuporeconosce.blogspot.com/2008/08/i-colori_02.html' title='L&apos;arco dell&apos;alleanza.'/><author><name>Arianna</name><uri>http://www.blogger.com/profile/16732139773920819821</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='24' src='http://2.bp.blogspot.com/_Z6rcQZFNI6I/SeLoqU0oV1I/AAAAAAAAAOo/wReXJAc0Loc/S220/1148799088Eclissi_luna.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/_Z6rcQZFNI6I/SJQ7TkBPoLI/AAAAAAAAAGs/fRiC4nfC90w/s72-c/Arcobaleno_sulle_cime_del_San_Sebastiano_di_Luca_Smaniotto.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-8412713488092005796.post-8009578959365091016</id><published>2008-07-22T14:16:00.013+02:00</published><updated>2008-12-09T19:56:47.969+01:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='arte'/><title type='text'>L' urlo</title><content type='html'>&lt;div align="center"&gt;&lt;a href="http://1.bp.blogspot.com/_Z6rcQZFNI6I/SIXP5MHJNgI/AAAAAAAAAGU/COuygeArv3o/s1600-h/l%27urlo.jpg"&gt;&lt;img id="BLOGGER_PHOTO_ID_5225811524044011010" style="DISPLAY: block; MARGIN: 0px auto 10px; WIDTH: 344px; CURSOR: hand; HEIGHT: 396px; TEXT-ALIGN: center" height="320" alt="" src="http://1.bp.blogspot.com/_Z6rcQZFNI6I/SIXP5MHJNgI/AAAAAAAAAGU/COuygeArv3o/s320/l%27urlo.jpg" width="344" border="0" /&gt;&lt;/a&gt;&lt;strong&gt;&lt;em&gt;Edvard Munch, L'urlo, 1885&lt;/em&gt;&lt;/strong&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;/div&gt;&lt;br /&gt;&lt;div align="center"&gt;&lt;strong&gt;&lt;span style="font-family:trebuchet ms;color:#009900;"&gt;"Camminavo lungo la strada con due amici quando il sole tramontò e il cielo si tinse all'improvviso di rosso sangue; mi fermai, mi appoggiai stanco morto a un recinto sul fiordo nerazzurro e sulla città c'erano sangue e lingue di fuoco; i miei amici continuavano a camminare e io tremavo ancora di paura e sentivo che un grande urlo infinito pervadeva la natura."&lt;/span&gt;&lt;/strong&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;strong&gt;&lt;span style="font-family:Trebuchet MS;color:#009900;"&gt;&lt;/span&gt;&lt;/strong&gt; &lt;/div&gt;&lt;div align="center"&gt;&lt;strong&gt;&lt;span style="font-family:Trebuchet MS;color:#ff6600;"&gt;&lt;/span&gt;&lt;/strong&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;strong&gt;&lt;/strong&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;strong&gt;&lt;span style="font-family:trebuchet ms;color:#ff9900;"&gt;&lt;/span&gt;&lt;/strong&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;em&gt;&lt;strong&gt;&lt;span style="font-family:trebuchet ms;color:#ff6600;"&gt;Un fenomeno naturale realmente accaduto a causa dell'eruzione vulcanica avvenuta nelle isole Fiji, i cui effetti di luci sono stati visibili sino in Norvegia, hanno forse ispirato queso capolavoro.&lt;/span&gt;&lt;/strong&gt;&lt;/em&gt;&lt;/div&gt;&lt;div align="center"&gt; &lt;/div&gt;&lt;div align="center"&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;strong&gt;&lt;em&gt;&lt;span style="color:#ff0000;"&gt;&lt;/span&gt;&lt;/em&gt;&lt;/strong&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;span style="color:#ff6600;"&gt;&lt;em&gt;&lt;strong&gt;&lt;/strong&gt;&lt;/em&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;span style="color:#ff6600;"&gt;&lt;em&gt;&lt;strong&gt;&lt;/strong&gt;&lt;/em&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;span style="color:#ff6600;"&gt;&lt;em&gt;&lt;strong&gt;&lt;/strong&gt;&lt;/em&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;span style="color:#ff6600;"&gt;&lt;em&gt;&lt;strong&gt;&lt;/strong&gt;&lt;/em&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;strong&gt;Il quadro presenta, in primo piano, &lt;em&gt;l'uomo che urla. &lt;/em&gt;&lt;/strong&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;strong&gt;&lt;/strong&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;strong&gt;Lo taglia in diagonale il parapetto del ponte visto in fuga verso sinistra. Sulla destra vi e' invece un innaturale paesaggio, desolato e poco accogliente. In alto il cielo e' striato di un rosso molto drammatico. L'uomo e' rappresentato in maniera molto visionaria. Ha un aspetto sinuoso e molle. Piu' che ad un corpo, fa pensare ad uno spirito. La testa e' completamente calva come un teschio ricoperto da una pelle mummificata. Gli occhi hanno uno sguardo allucinato e terrorizzato. Il naso e' quasi assente, mentre la bocca si apre in uno spasmo innaturale. L'ovale della bocca e' il vero centro compositivo del quadro. Da esso le onde sonore del grido mettono in movimento tutto il quadro: agitano sia il corpo dell'uomo sia le onde che definiscono il paesaggio e il cielo. Restano diritti solo il ponte e le sagome dei due uomini sullo sfondo, sordi ed impassibili all'urlo che proviene dall'anima dell'uomo. Sono gli amici del pittore, incuranti della sua angoscia. L'urlo di questo quadro rappresenta l'angoscia che si racchiude in uno spirito tormentato che vuole esplodere in un grido liberatorio. L'urlo rimane solo un grido sordo che non puo' essere avvertito dagli altri ma rappresenta tutto il dolore che vorrebbe uscire da noi, senza mai riuscirci. E cosi' l'urlo diviene un modo per guardare dentro di se', ritrovandovi angoscia e disperazione.&lt;/strong&gt; &lt;/div&gt;&lt;div align="center"&gt;&lt;span style="font-size:78%;color:#333333;"&gt;&lt;em&gt;Fonte: &lt;/em&gt;&lt;/span&gt;&lt;a class="descrizione" title="Visita il sito" href="http://www.francescomorante.it/" target="_blank"&gt;&lt;span style="font-size:78%;color:#333333;"&gt;&lt;em&gt;http://www.francescomorante.it/&lt;/em&gt;&lt;/span&gt;&lt;/a&gt;&lt;span style="color:#009900;"&gt;&lt;em&gt; &lt;/em&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;span style="color:#009900;"&gt;&lt;em&gt;&lt;/em&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/8412713488092005796-8009578959365091016?l=sololostuporeconosce.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://sololostuporeconosce.blogspot.com/feeds/8009578959365091016/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=8412713488092005796&amp;postID=8009578959365091016' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/8009578959365091016'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/8009578959365091016'/><link rel='alternate' type='text/html' href='http://sololostuporeconosce.blogspot.com/2008/07/l-urlo.html' title='L&apos; urlo'/><author><name>Arianna</name><uri>http://www.blogger.com/profile/16732139773920819821</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='24' src='http://2.bp.blogspot.com/_Z6rcQZFNI6I/SeLoqU0oV1I/AAAAAAAAAOo/wReXJAc0Loc/S220/1148799088Eclissi_luna.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_Z6rcQZFNI6I/SIXP5MHJNgI/AAAAAAAAAGU/COuygeArv3o/s72-c/l%27urlo.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-8412713488092005796.post-4112781694813842114</id><published>2008-07-14T09:20:00.020+02:00</published><updated>2008-12-09T19:56:48.208+01:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Opera'/><title type='text'>La Divina Commedia ...in musica</title><content type='html'>&lt;a href="http://1.bp.blogspot.com/_Z6rcQZFNI6I/SHsX8BZX6vI/AAAAAAAAADw/_xyq7MetQgs/s1600-h/divinacommedia.jpg"&gt;&lt;img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;" src="http://1.bp.blogspot.com/_Z6rcQZFNI6I/SHsX8BZX6vI/AAAAAAAAADw/_xyq7MetQgs/s320/divinacommedia.jpg" border="0" alt=""id="BLOGGER_PHOTO_ID_5222794512800672498" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;a href="http://www.ladivinacommediaopera.it/"&gt;http://www.ladivinacommediaopera.it/&lt;/a&gt;&lt;br /&gt;&lt;br /&gt;&lt;strong&gt;LA DIVINA COMMEDIA. L'Opera&lt;/strong&gt;. &lt;em&gt;&lt;strong&gt;L'uomo che cerca l'Amore&lt;/strong&gt;&lt;/em&gt;.&lt;br /&gt;&lt;br /&gt;"Questa lettura del poema vuole sottolineare la capacità della poesia di Dante di parlare agli uomini di oggi e di sempre del senso della vita umana e dei tormenti spirituali che la caratterizzano", spiega l'autore dell'opera mons. Marco Frisina - "Ogni personaggio che Dante incontra nel suo viaggio è l'uomo con i suoi diversi volti che manifestano la fragilità della condizione umana ma nel contempo anche la sua grandezza. Dante vive la sua discesa drammatica nell'abisso del dolore per poi risalire fino alla gloria, a quell'Amore tanto cercato di cui Beatrice è il simbolo e nello stesso tempo la messaggera. La sua comparsa alla fine del Purgatorio appare a Dante come l'epilogo della sua ricerca ma Beatrice, prendendolo per mano, lo guida più in alto fino a superare l'amore umano per raggiungere la sorgente stessa dell'Amore".&lt;br /&gt;E la musica? Da roboante ed ossessionante nell'inferno, fino alla musica della gioia, come la definisce Matteucci, del Paradiso. Dice Frisina: "Ho ripercorso 7 secoli di musica, dal gregoriano al rock, dal tango di caronte, al romanticismo di Pia e Francesca, alla fuga quasi alla Bach per il serpente".&lt;br /&gt;&lt;br /&gt;&lt;br /&gt;&lt;object width="425" height="344"&gt;&lt;param name="movie" value="http://www.youtube.com/v/sbmMGDGI22Q&amp;hl=it&amp;fs=1"&gt;&lt;/param&gt;&lt;param name="allowFullScreen" value="true"&gt;&lt;/param&gt;&lt;embed src="http://www.youtube.com/v/sbmMGDGI22Q&amp;hl=it&amp;fs=1" type="application/x-shockwave-flash" allowfullscreen="true" width="425" height="344"&gt;&lt;/embed&gt;&lt;/object&gt;&lt;br /&gt;&lt;object width="425" height="344"&gt;&lt;param name="movie" value="http://www.youtube.com/v/KifNICjh7DQ&amp;hl=it&amp;fs=1"&gt;&lt;/param&gt;&lt;param name="allowFullScreen" value="true"&gt;&lt;/param&gt;&lt;embed src="http://www.youtube.com/v/KifNICjh7DQ&amp;hl=it&amp;fs=1" type="application/x-shockwave-flash" allowfullscreen="true" width="425" height="344"&gt;&lt;/embed&gt;&lt;/object&gt;&lt;br /&gt;&lt;br /&gt;&lt;em&gt;Nel mezzo del cammin di nostra vita&lt;br /&gt;Mi ritrovai per una selva oscura&lt;br /&gt;Chè la diritta via era smarrita&lt;br /&gt;&lt;br /&gt;Ahi quanto a dir qual era è cosa dura&lt;br /&gt;Esta selva selvaggia e aspra e forte&lt;br /&gt;Che nel pensier rinnova la paura…&lt;br /&gt;&lt;br /&gt;Notte che dilaghi dentro me&lt;br /&gt;Notte che oscuri la mia vita&lt;br /&gt;Notte che avvolgi la mia mente&lt;br /&gt;In un cammino senza strade&lt;br /&gt;&lt;br /&gt;Chiuso in un abisso senza uscita&lt;br /&gt;In un abbraccio gelido&lt;br /&gt;In questa angoscia io mi perdo&lt;br /&gt;In una selva tra le tenebre&lt;br /&gt;&lt;br /&gt;Cerco&lt;br /&gt;Una speranza che m’illumini&lt;br /&gt;Cerco una strada oltre il buio&lt;br /&gt;Mentre mi perdo in questa notte&lt;br /&gt;Mentre smarrito cerco l’alba&lt;br /&gt;E grido al cielo&lt;br /&gt;Grido il dolore di ogni uomo&lt;br /&gt;La vita&lt;br /&gt;Che è dolore dentro me…&lt;br /&gt;&lt;br /&gt;Tenebrosa selva che mi stringi&lt;br /&gt;In un abbraccio senza amore&lt;br /&gt;Lascia che veda un po’ di cielo&lt;br /&gt;Al di là di queste tenebre&lt;br /&gt;&lt;br /&gt;Cerco&lt;br /&gt;Una speranza che m’illumini&lt;br /&gt;Cerco una strada oltre il buio&lt;br /&gt;Mentre mi perdo in questa notte&lt;br /&gt;Mentre smarrito cerco l’alba&lt;br /&gt;E grido al cielo&lt;br /&gt;Grido il dolore di ogni uomo&lt;br /&gt;La vita&lt;br /&gt;Che è dolore dentro me&lt;/em&gt;&lt;a href="http://www.ladivinacommediaopera.it/"&gt;&lt;/a&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/8412713488092005796-4112781694813842114?l=sololostuporeconosce.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://sololostuporeconosce.blogspot.com/feeds/4112781694813842114/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=8412713488092005796&amp;postID=4112781694813842114' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/4112781694813842114'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/4112781694813842114'/><link rel='alternate' type='text/html' href='http://sololostuporeconosce.blogspot.com/2008/07/la-divina-commedia-in-musica.html' title='La Divina Commedia ...in musica'/><author><name>Arianna</name><uri>http://www.blogger.com/profile/16732139773920819821</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='24' src='http://2.bp.blogspot.com/_Z6rcQZFNI6I/SeLoqU0oV1I/AAAAAAAAAOo/wReXJAc0Loc/S220/1148799088Eclissi_luna.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_Z6rcQZFNI6I/SHsX8BZX6vI/AAAAAAAAADw/_xyq7MetQgs/s72-c/divinacommedia.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-8412713488092005796.post-6346487750853455266</id><published>2008-07-12T11:18:00.007+02:00</published><updated>2008-07-12T12:17:38.306+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Matematica'/><title type='text'>Dante, la Divina Commedia e la matematica</title><content type='html'>&lt;div align="justify"&gt;&lt;span style="color:#330000;"&gt;La Commedia è ricca di riferimenti matematici che confermano la profonda cultura scientifica di Dante, una cultura diffusa tra i letterati e le persone colte dell'epoca, certo più di quanto non lo sia oggi.&lt;br /&gt;Uno dei più famosi passi matematici di Dante è certo in&lt;/span&gt;&lt;br /&gt;&lt;br /&gt;&lt;span style="color:#ff0000;"&gt;&lt;strong&gt;&lt;em&gt;Par. XXXIII 133-138:&lt;br /&gt;... … … … … … … … …. … …&lt;br /&gt;Qual è ‘l geomètra che tutto s’affigge&lt;br /&gt;per misurar lo cerchio, e non ritrova,&lt;br /&gt;pensando, quel principio ond’elli indige,&lt;br /&gt;tal era io a quella vista nova;&lt;br /&gt;veder volea come si convenne&lt;br /&gt;l’imago al cerchio e come vi s’indova;&lt;br /&gt;... … … … … … … … …. … …&lt;br /&gt;&lt;/em&gt;&lt;/strong&gt;&lt;/span&gt;&lt;br /&gt;&lt;br /&gt;&lt;span style="font-family:verdana;color:#000000;"&gt;Gli insegnanti e gli studenti, in questi casi, consultano le note di un Critico, poste in fondo alle pagine dei manuali scolastici. Nel più diffuso di tali testi  si trova la spiegazione classica: “come il geometra che si applica, concentrando tutte le sue facoltà mentali, all’insolubile problema della quadratura del circolo...tale ero io dinanzi a quella straordinaria visione, ché invano ...” .&lt;/span&gt;&lt;/div&gt;&lt;div align="justify"&gt;&lt;br /&gt;&lt;span style="font-family:verdana;color:#000000;"&gt;Ma che cos’è esattamente il problema della quadratura del cerchio? Si può esprimere in due modi almeno, tra loro equivalenti:&lt;br /&gt;- data una circonferenza, trovare un quadrato o un rettangolo il cui perimetro abbia la stessa lunghezza della circonferenza&lt;br /&gt;- dato un cerchio, trovare un quadrato o un rettangolo la cui area abbia la stessa estensione del cerchio.&lt;br /&gt;Questo problema era già stato risolto molto brillantemente nell’antichità greca, per esempio da Dinostrato nel V sec. a. C. Era una cosa ben nota, tra gli altri ben spiegata da Platone. Da un punto di vista più modestamente scolastico, in IV o V elementare si è appreso che una circonferenza di raggio r misura 2пr;&lt;br /&gt;dunque, se si prende un rettangolo di lati 1 e пr - 1, lunghezza della circonferenza e perimetro di quel rettangolo coincidono; così, l’area di un cerchio di raggio r è пr2; dunque, un rettangolo di lati пr ed r avrà area uguale a quella del cerchio. Ma allora, dove sta l’impossibilità del problema? Dante ha fatto un sottointeso; per motivi soprattutto estetici i Greci privilegiavano le soluzioni “con riga e compasso” La soluzione data da Dinostrato e dagli altri studiosi greci della quadratura del cerchio è sì corretta, ma NON è stata ottenuta con riga e compasso! Inutilmente e per secoli, dapprima i matematici greci e poi via via tutti gli altri, cercarono di quadrare il cerchio con questi strumenti, inutilmente: oggi sappiamo che ciò è impossibile (lo ha dimostrato Lindemann, ma solo nel 1882!). I Greci devono averlo supposto, anche se in modo implicito: Dunque, non è impossibile il problema della quadratura del cerchio: è impossibile nelle modalità dette, con quegli strumenti. Ora, però, il problema è: poiché Dante non dice esplicitamente “con riga e compasso”, è da ritenere che anche lui cadesse nell’errore del Critico, oppure che conoscesse la questione e ritenesse che i suoi lettori pure la conoscessero talmente bene che non valeva la pena star lì a fare i pignoli?&lt;br /&gt;Non avremo mai la risposta a questa domanda&lt;br /&gt;C’è però da dire che per “quadrare il cerchio” spesso si intende una visione diversa anche se del tutto equivalente alla precedente e cioè trovare l’esatto valore del rapporto tra lunghezza di una data circonferenza e suo raggio, rapporto uguale per tutte le circonferenze. Ora, qui si dovrebbe aprire tutt’un’altra storia...&lt;/span&gt;&lt;/div&gt;&lt;br /&gt;&lt;br /&gt;&lt;a href="http://www.apav.it/mat/filoslette/letteratura/articoli/articolodamore.pdf"&gt;&lt;span style="color:#006600;"&gt;http://www.apav.it/mat/filoslette/letteratura/articoli/articolodamore.pdf&lt;/span&gt;&lt;/a&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/8412713488092005796-6346487750853455266?l=sololostuporeconosce.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://sololostuporeconosce.blogspot.com/feeds/6346487750853455266/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=8412713488092005796&amp;postID=6346487750853455266' title='1 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/6346487750853455266'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/6346487750853455266'/><link rel='alternate' type='text/html' href='http://sololostuporeconosce.blogspot.com/2008/07/dante-la-divina-commedia-e-la.html' title='Dante, la Divina Commedia e la matematica'/><author><name>Arianna</name><uri>http://www.blogger.com/profile/16732139773920819821</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='24' src='http://2.bp.blogspot.com/_Z6rcQZFNI6I/SeLoqU0oV1I/AAAAAAAAAOo/wReXJAc0Loc/S220/1148799088Eclissi_luna.jpg'/></author><thr:total>1</thr:total></entry><entry><id>tag:blogger.com,1999:blog-8412713488092005796.post-8249382042921364869</id><published>2008-05-14T22:22:00.021+02:00</published><updated>2008-12-09T19:56:48.375+01:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='scienze'/><title type='text'>Dante, l'universo, La Divina Commedia</title><content type='html'>&lt;div align="justify"&gt;&lt;a href="http://1.bp.blogspot.com/_Z6rcQZFNI6I/SCtWvq6tVoI/AAAAAAAAACk/sIzlyi4cBjQ/s1600-h/230px-Tolomeo.jpg"&gt;&lt;span style="font-family:times new roman;font-size:78%;color:#33cc00;"&gt;&lt;img id="BLOGGER_PHOTO_ID_5200345571703740034" style="FLOAT: left; MARGIN: 0px 10px 10px 0px; WIDTH: 148px; CURSOR: hand; HEIGHT: 226px" height="190" alt="" src="http://1.bp.blogspot.com/_Z6rcQZFNI6I/SCtWvq6tVoI/AAAAAAAAACk/sIzlyi4cBjQ/s200/230px-Tolomeo.jpg" width="140" border="0" /&gt;&lt;/span&gt;&lt;/a&gt;&lt;span style="font-family:times new roman;font-size:78%;color:#33cc00;"&gt; (Tolomeo - Alessandria d'Egitto; 100-175 d. C.)&lt;/span&gt;&lt;/div&gt;&lt;div align="justify"&gt;&lt;span style="font-family:Times New Roman;font-size:78%;color:#33cc00;"&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;span style="font-family:times new roman;font-size:100%;color:#ff6600;"&gt;&lt;em&gt;&lt;strong&gt;Il viaggio di Dante &lt;/strong&gt;&lt;/em&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;span style="font-family:times new roman;font-size:100%;color:#ff6600;"&gt;&lt;em&gt;&lt;strong&gt;si svolge in quell’universo tolemaico &lt;/strong&gt;&lt;/em&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;span style="font-family:times new roman;font-size:100%;color:#ff6600;"&gt;&lt;em&gt;&lt;strong&gt;che considera la Terra come centro immobile, &lt;/strong&gt;&lt;/em&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;span style="font-family:times new roman;font-size:100%;color:#ff6600;"&gt;&lt;em&gt;&lt;strong&gt;intorno al quale ruotano astri e pianeti e che, &lt;/strong&gt;&lt;/em&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;span style="font-family:times new roman;font-size:100%;color:#ff6600;"&gt;&lt;em&gt;&lt;strong&gt;nella sua armoniosa struttura, &lt;/strong&gt;&lt;/em&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;span style="font-family:times new roman;font-size:100%;color:#ff6600;"&gt;&lt;em&gt;&lt;strong&gt;t&lt;/strong&gt;&lt;/em&gt;&lt;/span&gt;&lt;span style="font-family:times new roman;font-size:100%;color:#ff6600;"&gt;&lt;em&gt;&lt;strong&gt;estimonia la perfezione &lt;/strong&gt;&lt;/em&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;span style="font-family:times new roman;font-size:100%;color:#ff6600;"&gt;&lt;em&gt;&lt;strong&gt;del Divino Creatore.&lt;/strong&gt;&lt;/em&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;/div&gt;&lt;div align="left"&gt;&lt;strong&gt;&lt;em&gt;&lt;span style="font-family:Times New Roman;font-size:100%;color:#ff6600;"&gt;&lt;/span&gt;&lt;/em&gt;&lt;/strong&gt;&lt;/div&gt;&lt;div align="left"&gt;&lt;/div&gt;&lt;div align="justify"&gt;&lt;/div&gt;&lt;strong&gt;&lt;span style="color:#ff6666;"&gt;&lt;div align="justify"&gt;&lt;span style="color:#ff6600;"&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="justify"&gt;&lt;span style="color:#ff6600;"&gt;La filosofia aristotelica, cui si rifaceva la cosmologia tolemaica, si era tramandata fino al Medioevo. Si pensava che i corpi celesti, stelle comprese, fossero incastonati su sfere concentriche (dette anche cieli) alla Terra disposte nel seguente ordine: sfera della Luna, di Mercurio, di Venere, del Sole, di Marte, Giove, Saturno e quello delle stelle fisse; l'ultimo secondo Aristotele per il quale l'universo era finito. Tolomeo aggiunse alle otto sfere aristoteliche una nona: la sfera cristallina o "Primum Mobile". &lt;/span&gt;&lt;/div&gt;&lt;div align="justify"&gt;&lt;span style="color:#ff6600;"&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="justify"&gt;&lt;span style="color:#ff6600;"&gt;Le dottrine astronomiche cristiane oltre il Primo Mobile pongono l'Empireo, la dimora di Dio, l'unico vero cielo fisso che imprime movimento a tutti gli altri.&lt;/span&gt;&lt;/div&gt;&lt;div align="justify"&gt;&lt;span style="color:#ff6600;"&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="justify"&gt;&lt;span style="color:#ff6600;"&gt;Questa era la conoscenza cosmologica di cui Dante disponeva.&lt;/span&gt;&lt;/div&gt;&lt;span style="color:#ff6666;"&gt;&lt;/span&gt;&lt;p align="justify"&gt;&lt;br /&gt;&lt;/span&gt;&lt;span style="color:#ff6666;"&gt;&lt;/span&gt;&lt;/strong&gt;&lt;br /&gt;&lt;/p&gt;&lt;/span&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/8412713488092005796-8249382042921364869?l=sololostuporeconosce.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://sololostuporeconosce.blogspot.com/feeds/8249382042921364869/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=8412713488092005796&amp;postID=8249382042921364869' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/8249382042921364869'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/8249382042921364869'/><link rel='alternate' type='text/html' href='http://sololostuporeconosce.blogspot.com/2008/05/lastronomia-nella-divina-commedia.html' title='Dante, l&apos;universo, La Divina Commedia'/><author><name>Arianna</name><uri>http://www.blogger.com/profile/16732139773920819821</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='24' src='http://2.bp.blogspot.com/_Z6rcQZFNI6I/SeLoqU0oV1I/AAAAAAAAAOo/wReXJAc0Loc/S220/1148799088Eclissi_luna.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_Z6rcQZFNI6I/SCtWvq6tVoI/AAAAAAAAACk/sIzlyi4cBjQ/s72-c/230px-Tolomeo.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-8412713488092005796.post-373679005076879617</id><published>2008-05-04T11:55:00.003+02:00</published><updated>2008-12-09T19:56:49.404+01:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='arte'/><title type='text'>Dante e il suo poema. Affresco di Domenico di Michelino a Santa Maria del Fiore, Firenze (1465)</title><content type='html'>&lt;a href="http://1.bp.blogspot.com/_Z6rcQZFNI6I/SB2IV1g2xJI/AAAAAAAAACM/Bm7aQcGBVpM/s1600-h/Michelino_DanteAndHisPoem.jpg"&gt;&lt;img style="float:left; margin:0 10px 10px 0;cursor:pointer; cursor:hand;" src="http://1.bp.blogspot.com/_Z6rcQZFNI6I/SB2IV1g2xJI/AAAAAAAAACM/Bm7aQcGBVpM/s400/Michelino_DanteAndHisPoem.jpg" border="0" alt=""id="BLOGGER_PHOTO_ID_5196459453778936978" /&gt;&lt;/a&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/8412713488092005796-373679005076879617?l=sololostuporeconosce.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://sololostuporeconosce.blogspot.com/feeds/373679005076879617/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=8412713488092005796&amp;postID=373679005076879617' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/373679005076879617'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/373679005076879617'/><link rel='alternate' type='text/html' href='http://sololostuporeconosce.blogspot.com/2008/05/dante-e-il-suo-poema-affresco-di.html' title='Dante e il suo poema. Affresco di Domenico di Michelino a Santa Maria del Fiore, Firenze (1465)'/><author><name>Arianna</name><uri>http://www.blogger.com/profile/16732139773920819821</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='24' src='http://2.bp.blogspot.com/_Z6rcQZFNI6I/SeLoqU0oV1I/AAAAAAAAAOo/wReXJAc0Loc/S220/1148799088Eclissi_luna.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_Z6rcQZFNI6I/SB2IV1g2xJI/AAAAAAAAACM/Bm7aQcGBVpM/s72-c/Michelino_DanteAndHisPoem.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-8412713488092005796.post-2834082945726674978</id><published>2008-04-30T17:36:00.003+02:00</published><updated>2008-07-11T12:12:58.260+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Letteratura italiana'/><title type='text'>Benigni legge Dante</title><content type='html'>Paradiso - Canto XXXIII&lt;br /&gt;&lt;object width="425" height="355"&gt;&lt;param name="movie" value="http://www.youtube.com/v/FifyfJ4lnBI&amp;hl=it"&gt;&lt;/param&gt;&lt;param name="wmode" value="transparent"&gt;&lt;/param&gt;&lt;embed src="http://www.youtube.com/v/FifyfJ4lnBI&amp;hl=it" type="application/x-shockwave-flash" wmode="transparent" width="425" height="355"&gt;&lt;/embed&gt;&lt;/object&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/8412713488092005796-2834082945726674978?l=sololostuporeconosce.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://sololostuporeconosce.blogspot.com/feeds/2834082945726674978/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=8412713488092005796&amp;postID=2834082945726674978' title='1 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/2834082945726674978'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/2834082945726674978'/><link rel='alternate' type='text/html' href='http://sololostuporeconosce.blogspot.com/2008/04/benigni-legge-dante-paradiso-canto.html' title='Benigni legge Dante'/><author><name>Arianna</name><uri>http://www.blogger.com/profile/16732139773920819821</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='24' src='http://2.bp.blogspot.com/_Z6rcQZFNI6I/SeLoqU0oV1I/AAAAAAAAAOo/wReXJAc0Loc/S220/1148799088Eclissi_luna.jpg'/></author><thr:total>1</thr:total></entry><entry><id>tag:blogger.com,1999:blog-8412713488092005796.post-5586723174590530172</id><published>2008-04-25T23:26:00.010+02:00</published><updated>2008-12-09T19:56:49.865+01:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Francesca'/><title type='text'>Specchio</title><content type='html'>&lt;a href="http://1.bp.blogspot.com/_Z6rcQZFNI6I/SBJYMlg2xHI/AAAAAAAAAB0/i5vEKCWQm64/s1600-h/ORSO-FIORE.JPG"&gt;&lt;img id="BLOGGER_PHOTO_ID_5193310293563196530" style="FLOAT: left; MARGIN: 0px 10px 10px 0px; CURSOR: hand" alt="" src="http://1.bp.blogspot.com/_Z6rcQZFNI6I/SBJYMlg2xHI/AAAAAAAAAB0/i5vEKCWQm64/s400/ORSO-FIORE.JPG" border="0" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;div align="center"&gt;&lt;span style="font-family:trebuchet ms;color:#ff6600;"&gt;&lt;strong&gt;Ed ecco sul &lt;span class="blsp-spelling-error" id="SPELLING_ERROR_0"&gt;tronco si&lt;/span&gt; rompono le gemme:&lt;/strong&gt;&lt;/span&gt;&lt;/div&gt;&lt;br /&gt;&lt;div align="center"&gt;&lt;span style="font-family:trebuchet ms;color:#ff6600;"&gt;&lt;strong&gt;un verde più nuovo dell'erba&lt;/strong&gt;&lt;/span&gt;&lt;/div&gt;&lt;br /&gt;&lt;div align="center"&gt;&lt;span style="font-family:trebuchet ms;color:#ff6600;"&gt;&lt;strong&gt;che il cuore riposa:&lt;/strong&gt;&lt;/span&gt;&lt;/div&gt;&lt;br /&gt;&lt;div align="center"&gt;&lt;span style="font-family:trebuchet ms;color:#ff6600;"&gt;&lt;strong&gt;il tronco pareva già morto,&lt;/strong&gt;&lt;/span&gt;&lt;/div&gt;&lt;br /&gt;&lt;div align="center"&gt;&lt;span style="font-family:trebuchet ms;color:#ff6600;"&gt;&lt;strong&gt;piegato sul fosso.&lt;/strong&gt;&lt;/span&gt;&lt;/div&gt;&lt;br /&gt;&lt;div align="center"&gt;&lt;span style="font-family:trebuchet ms;color:#ff6600;"&gt;&lt;strong&gt;E tutto sa di miracolo;&lt;/strong&gt;&lt;/span&gt;&lt;/div&gt;&lt;br /&gt;&lt;div align="center"&gt;&lt;span style="font-family:trebuchet ms;"&gt;&lt;strong&gt;&lt;span style="color:#ff6600;"&gt;e sono quell'acqua di &lt;span class="blsp-spelling-error" id="SPELLING_ERROR_1"&gt;nube&lt;/span&gt;&lt;/span&gt;&lt;/strong&gt;&lt;/span&gt;&lt;/div&gt;&lt;br /&gt;&lt;div align="center"&gt;&lt;span style="color:#ff6600;"&gt;&lt;span style="font-family:trebuchet ms;"&gt;&lt;strong&gt;&lt;span class="blsp-spelling-error"&gt;c&lt;/span&gt;&lt;/strong&gt;&lt;/span&gt;&lt;span style="font-family:trebuchet ms;"&gt;&lt;strong&gt;&lt;span class="blsp-spelling-error" id="SPELLING_ERROR_2"&gt;he&lt;/span&gt; oggi rispecchia nei fossi&lt;/strong&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;br /&gt;&lt;div align="center"&gt;&lt;span style="font-family:trebuchet ms;color:#ff6600;"&gt;&lt;strong&gt;più azzurro il suo pezzo di cielo,&lt;/strong&gt;&lt;/span&gt;&lt;/div&gt;&lt;br /&gt;&lt;div align="center"&gt;&lt;span style="font-family:trebuchet ms;color:#ff6600;"&gt;&lt;strong&gt;quel verde che spacca la scorza&lt;/strong&gt;&lt;/span&gt;&lt;/div&gt;&lt;br /&gt;&lt;div align="center"&gt;&lt;span style="font-family:trebuchet ms;color:#ff6600;"&gt;&lt;strong&gt;che pure stanotte non c'era.&lt;/strong&gt;&lt;/span&gt;&lt;/div&gt;&lt;br /&gt;&lt;div align="center"&gt;&lt;span style="color:#ff6600;"&gt;&lt;span style="font-family:trebuchet ms;"&gt;&lt;strong&gt;(S.&lt;span class="blsp-spelling-error" id="SPELLING_ERROR_3"&gt;Quasimodo&lt;/span&gt;)&lt;/strong&gt;&lt;/span&gt; &lt;/span&gt;&lt;/div&gt;&lt;br /&gt;&lt;div align="center"&gt;&lt;/div&gt;&lt;br /&gt;&lt;div align="center"&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/8412713488092005796-5586723174590530172?l=sololostuporeconosce.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://sololostuporeconosce.blogspot.com/feeds/5586723174590530172/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=8412713488092005796&amp;postID=5586723174590530172' title='1 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/5586723174590530172'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/5586723174590530172'/><link rel='alternate' type='text/html' href='http://sololostuporeconosce.blogspot.com/2008/04/specchio.html' title='Specchio'/><author><name>Arianna</name><uri>http://www.blogger.com/profile/16732139773920819821</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='24' src='http://2.bp.blogspot.com/_Z6rcQZFNI6I/SeLoqU0oV1I/AAAAAAAAAOo/wReXJAc0Loc/S220/1148799088Eclissi_luna.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_Z6rcQZFNI6I/SBJYMlg2xHI/AAAAAAAAAB0/i5vEKCWQm64/s72-c/ORSO-FIORE.JPG' height='72' width='72'/><thr:total>1</thr:total></entry><entry><id>tag:blogger.com,1999:blog-8412713488092005796.post-5913551302901842805</id><published>2008-04-23T23:15:00.015+02:00</published><updated>2011-03-13T11:42:44.861+01:00</updated><title type='text'>Farfallina spensierata</title><content type='html'>&lt;a href="http://1.bp.blogspot.com/_Z6rcQZFNI6I/SBAiHFg2xDI/AAAAAAAAABU/jmjstJfs4Z4/s1600-h/FARFALLA.JPG"&gt;&lt;img alt="" border="0" id="BLOGGER_PHOTO_ID_5192687875492594738" src="http://1.bp.blogspot.com/_Z6rcQZFNI6I/SBAiHFg2xDI/AAAAAAAAABU/jmjstJfs4Z4/s400/FARFALLA.JPG" style="float: left; margin: 0px 10px 10px 0px;" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;div&gt;&lt;a href="http://2.bp.blogspot.com/_Z6rcQZFNI6I/SA-nglg2xCI/AAAAAAAAABM/4vTiBXE1oMg/s1600-h/FARFALLA.JPG"&gt;&lt;/a&gt;&lt;br /&gt;&lt;div align="left"&gt;&lt;span style="color: #ff6600; font-family: trebuchet ms;"&gt;&lt;i&gt;&lt;b&gt;Farfallina spensierata&lt;/b&gt;&lt;/i&gt;&lt;/span&gt;&lt;/div&gt;&lt;br /&gt;&lt;div align="left"&gt;&lt;span style="color: #ff6600; font-family: trebuchet ms;"&gt;&lt;i&gt;&lt;b&gt;lo sai tu dove sei nata?&lt;/b&gt;&lt;/i&gt;&lt;/span&gt;&lt;/div&gt;&lt;br /&gt;&lt;div align="left"&gt;&lt;span style="color: #ff6600; font-family: trebuchet ms;"&gt;&lt;i&gt;&lt;b&gt;Eri bruco in una cella,&lt;/b&gt;&lt;/i&gt;&lt;/span&gt;&lt;/div&gt;&lt;br /&gt;&lt;div align="left"&gt;&lt;span style="color: #ff6600; font-family: trebuchet ms;"&gt;&lt;i&gt;&lt;b&gt;senza sole e senza stella.&lt;/b&gt;&lt;/i&gt;&lt;/span&gt;&lt;/div&gt;&lt;br /&gt;&lt;div align="left"&gt;&lt;span style="color: #ff6600; font-family: trebuchet ms;"&gt;&lt;i&gt;&lt;b&gt;Poi nel sole sei uscita,&lt;/b&gt;&lt;/i&gt;&lt;/span&gt;&lt;/div&gt;&lt;br /&gt;&lt;div align="left"&gt;&lt;span style="color: #ff6600; font-family: trebuchet ms;"&gt;&lt;i&gt;&lt;b&gt;come un fiore sei fiorita;&lt;/b&gt;&lt;/i&gt;&lt;/span&gt;&lt;/div&gt;&lt;br /&gt;&lt;div align="left"&gt;&lt;span style="color: #ff6600; font-family: trebuchet ms;"&gt;&lt;i&gt;&lt;b&gt;come un fiore senza stelo&lt;/b&gt;&lt;/i&gt;&lt;/span&gt;&lt;/div&gt;&lt;br /&gt;&lt;div align="left"&gt;&lt;span style="font-family: trebuchet ms;"&gt;&lt;span style="color: #ff6600;"&gt;&lt;b&gt;&lt;i&gt;che il buon Dio gettò dal cielo&lt;/i&gt;.&lt;/b&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;br /&gt;&lt;div align="left"&gt;&lt;span style="color: #ff6600; font-family: Trebuchet MS;"&gt;&lt;b&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;br /&gt;&lt;div align="left"&gt;&lt;span style="color: #ff6600; font-family: Trebuchet MS;"&gt;&lt;b&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;br /&gt;&lt;div align="left"&gt;&lt;span style="color: #ff6600; font-family: Trebuchet MS;"&gt;&lt;b&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;br /&gt;&lt;div align="left"&gt;&lt;span style="color: #ff6600; font-family: Trebuchet MS;"&gt;&lt;b&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="left"&gt;&lt;span style="color: #ff6600;"&gt;&lt;b&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="left"&gt;&lt;span style="color: #ff6600;"&gt;&lt;b&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="left"&gt;&lt;span style="color: #ff6600;"&gt;&lt;b&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="left"&gt;&lt;i&gt;&lt;span style="font-size: 85%;"&gt;&lt;span style="color: #ff6600;"&gt;&lt;b&gt;R. &lt;span class="blsp-spelling-error" id="SPELLING_ERROR_1"&gt;Pezzani&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/span&gt;&lt;/i&gt;&lt;/div&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/8412713488092005796-5913551302901842805?l=sololostuporeconosce.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://sololostuporeconosce.blogspot.com/feeds/5913551302901842805/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=8412713488092005796&amp;postID=5913551302901842805' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/5913551302901842805'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/5913551302901842805'/><link rel='alternate' type='text/html' href='http://sololostuporeconosce.blogspot.com/2008/04/e-primavera.html' title='Farfallina spensierata'/><author><name>Arianna</name><uri>http://www.blogger.com/profile/16732139773920819821</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='24' src='http://2.bp.blogspot.com/_Z6rcQZFNI6I/SeLoqU0oV1I/AAAAAAAAAOo/wReXJAc0Loc/S220/1148799088Eclissi_luna.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_Z6rcQZFNI6I/SBAiHFg2xDI/AAAAAAAAABU/jmjstJfs4Z4/s72-c/FARFALLA.JPG' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-8412713488092005796.post-6309862787685104709</id><published>2008-04-22T20:29:00.006+02:00</published><updated>2008-12-09T19:56:50.586+01:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Gaia'/><title type='text'>Canzone primaverile</title><content type='html'>&lt;a href="http://3.bp.blogspot.com/_Z6rcQZFNI6I/SBJcfFg2xII/AAAAAAAAACE/HAwexewMcNc/s1600-h/SCUOLA.JPG"&gt;&lt;img id="BLOGGER_PHOTO_ID_5193315009437287554" style="FLOAT: left; MARGIN: 0px 10px 10px 0px; CURSOR: hand" alt="" src="http://3.bp.blogspot.com/_Z6rcQZFNI6I/SBJcfFg2xII/AAAAAAAAACE/HAwexewMcNc/s400/SCUOLA.JPG" border="0" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;div align="center"&gt;&lt;a name="psi"&gt;&lt;/a&gt;&lt;span style="font-family:trebuchet ms;color:#33ccff;"&gt;&lt;strong&gt;Escono allegri i bambini&lt;/strong&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;span style="font-family:trebuchet ms;color:#33ccff;"&gt;&lt;strong&gt;dalla scuola,&lt;/strong&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;span style="font-family:trebuchet ms;color:#33ccff;"&gt;&lt;strong&gt;l&lt;/strong&gt;&lt;/span&gt;&lt;span style="font-family:trebuchet ms;color:#33ccff;"&gt;&lt;strong&gt;anciando nell'aria tiepida&lt;/strong&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;span style="font-family:trebuchet ms;color:#33ccff;"&gt;&lt;strong&gt;d'aprile,&lt;/strong&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;span style="font-family:trebuchet ms;color:#33ccff;"&gt;&lt;strong&gt;tenere canzoni.&lt;/strong&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;span style="font-family:trebuchet ms;color:#33ccff;"&gt;&lt;strong&gt;Quanta allegria nel profondo&lt;/strong&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;span style="font-family:trebuchet ms;color:#33ccff;"&gt;&lt;strong&gt;silenzio &lt;/strong&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;span style="font-family:trebuchet ms;color:#33ccff;"&gt;&lt;strong&gt;della stradina!&lt;/strong&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;span style="font-family:trebuchet ms;color:#33ccff;"&gt;&lt;strong&gt;Un silenzio fatto a pezzi&lt;/strong&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;span style="font-family:trebuchet ms;color:#33ccff;"&gt;&lt;strong&gt;da risa d'argento nuovo&lt;/strong&gt;&lt;/span&gt;&lt;/div&gt;&lt;br /&gt;&lt;div align="center"&gt;&lt;span style="font-family:trebuchet ms;color:#33ccff;"&gt;&lt;strong&gt;(G.Lorca)&lt;/strong&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/8412713488092005796-6309862787685104709?l=sololostuporeconosce.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://sololostuporeconosce.blogspot.com/feeds/6309862787685104709/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=8412713488092005796&amp;postID=6309862787685104709' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/6309862787685104709'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/6309862787685104709'/><link rel='alternate' type='text/html' href='http://sololostuporeconosce.blogspot.com/2008/04/scuola.html' title='Canzone primaverile'/><author><name>Arianna</name><uri>http://www.blogger.com/profile/16732139773920819821</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='24' src='http://2.bp.blogspot.com/_Z6rcQZFNI6I/SeLoqU0oV1I/AAAAAAAAAOo/wReXJAc0Loc/S220/1148799088Eclissi_luna.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://3.bp.blogspot.com/_Z6rcQZFNI6I/SBJcfFg2xII/AAAAAAAAACE/HAwexewMcNc/s72-c/SCUOLA.JPG' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-8412713488092005796.post-6757060628936652900</id><published>2008-04-21T12:46:00.013+02:00</published><updated>2008-12-09T19:56:50.813+01:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='arte'/><title type='text'>Primavera- Botticelli</title><content type='html'>&lt;p align="left"&gt;&lt;a href="http://1.bp.blogspot.com/_Z6rcQZFNI6I/SAxxIj8Q-jI/AAAAAAAAAAs/HOP2Ac-mSwI/s1600-h/bott.jpg"&gt;&lt;img id="BLOGGER_PHOTO_ID_5191648862352243250" style="DISPLAY: block; MARGIN: 0px auto 10px; WIDTH: 394px; CURSOR: hand; HEIGHT: 271px; TEXT-ALIGN: center" height="267" alt="" src="http://1.bp.blogspot.com/_Z6rcQZFNI6I/SAxxIj8Q-jI/AAAAAAAAAAs/HOP2Ac-mSwI/s400/bott.jpg" width="476" border="0" /&gt;&lt;/a&gt;&lt;/p&gt;&lt;div align="left"&gt;&lt;span style="color:#ff0000;"&gt;&lt;em&gt;La Primavera di Alessandro Filipepi detto il Botticelli è un'opera realizzata a tempera su tavola di cm 203x314, di datazione incerta (fra il 1477 ed il 1490), destinata originariamente alla villa di Castello ed oggi alla Galleria degli Uffizi di Firenze&lt;/em&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="center"&gt;&lt;em&gt;&lt;/em&gt; &lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/8412713488092005796-6757060628936652900?l=sololostuporeconosce.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://sololostuporeconosce.blogspot.com/feeds/6757060628936652900/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=8412713488092005796&amp;postID=6757060628936652900' title='1 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/6757060628936652900'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/6757060628936652900'/><link rel='alternate' type='text/html' href='http://sololostuporeconosce.blogspot.com/2008/04/primavera-e-arte_21.html' title='Primavera- Botticelli'/><author><name>Arianna</name><uri>http://www.blogger.com/profile/16732139773920819821</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='24' src='http://2.bp.blogspot.com/_Z6rcQZFNI6I/SeLoqU0oV1I/AAAAAAAAAOo/wReXJAc0Loc/S220/1148799088Eclissi_luna.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_Z6rcQZFNI6I/SAxxIj8Q-jI/AAAAAAAAAAs/HOP2Ac-mSwI/s72-c/bott.jpg' height='72' width='72'/><thr:total>1</thr:total></entry><entry><id>tag:blogger.com,1999:blog-8412713488092005796.post-5273645432791034567</id><published>2008-04-21T12:21:00.009+02:00</published><updated>2008-12-09T19:56:51.165+01:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='scienze'/><title type='text'>Primavera astronomica</title><content type='html'>&lt;a href="http://1.bp.blogspot.com/_Z6rcQZFNI6I/SHsvRnNBrVI/AAAAAAAAAD4/e6oXWpg3lAo/s1600-h/orbita.gif"&gt;&lt;img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;" src="http://1.bp.blogspot.com/_Z6rcQZFNI6I/SHsvRnNBrVI/AAAAAAAAAD4/e6oXWpg3lAo/s320/orbita.gif" border="0" alt=""id="BLOGGER_PHOTO_ID_5222820172494122322" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;a href="http://4.bp.blogspot.com/_Z6rcQZFNI6I/SAxvMT8Q-iI/AAAAAAAAAAk/TbjPI3IT3G4/s1600-h/bott.jpg"&gt;&lt;/a&gt;&lt;br /&gt;&lt;div align="center"&gt;&lt;strong&gt;&lt;span style="font-family:georgia;"&gt;&lt;span style="color:#ff0000;"&gt;La primavera astronomica inizia il 20-21 Marzo, data del cosiddetto&lt;br /&gt;EQUINOZIO DI PRIMAVERA.&lt;br /&gt;La parola "equinozio" deriva dal latino e significa "notte uguale". Gli equinozi di marzo e settembre sono i due giorni di ogni anno in cui il giorno e la notte hanno la stessa durata.&lt;br /&gt;Nell'emisfero settentrionale, l'equinozio di marzo (che cade il 20 o 21 Marzo) è l'equinozio di primavera, e l'equinozio di settembre (che cade il 22 o 23 settembre) è l'equinozio d'autunno; nell'emisfero meridionale, questi nomi sono invertiti.&lt;br /&gt;&lt;/span&gt;&lt;span style="font-family:lucida grande;color:#009900;"&gt;All'equatore il sole sorge in linea verticale dall'orizzonte est fino allo zenit, e poi tramonta in linea verticale dallo zenit all'orizzonte ovest.&lt;br /&gt;Al Tropico del Cancro il sole passa a sud, dove giunge alla sua massima altitudine per quel giorno che è 66°33'&lt;br /&gt;Al Tropico del Capricorno il sole passa a nord, dove giunge alla sua massima altitudine per quel giorno che è 66°33'&lt;br /&gt;Al polo nord il sole passa da una notte lunga 6 mesi ad un giorno lungo 6 mesi.&lt;br /&gt;Al polo sud il sole passa da un giorno lungo 6 mesi ad una notte lunga 6 mesi&lt;/span&gt;&lt;/strong&gt;&lt;/span&gt;&lt;strong&gt;&lt;span style="font-family:lucida grande;color:#009900;"&gt;. &lt;/span&gt;&lt;/div&gt;&lt;/strong&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/8412713488092005796-5273645432791034567?l=sololostuporeconosce.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://sololostuporeconosce.blogspot.com/feeds/5273645432791034567/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=8412713488092005796&amp;postID=5273645432791034567' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/5273645432791034567'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/5273645432791034567'/><link rel='alternate' type='text/html' href='http://sololostuporeconosce.blogspot.com/2008/04/primavera-astronomica.html' title='Primavera astronomica'/><author><name>Arianna</name><uri>http://www.blogger.com/profile/16732139773920819821</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='24' src='http://2.bp.blogspot.com/_Z6rcQZFNI6I/SeLoqU0oV1I/AAAAAAAAAOo/wReXJAc0Loc/S220/1148799088Eclissi_luna.jpg'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_Z6rcQZFNI6I/SHsvRnNBrVI/AAAAAAAAAD4/e6oXWpg3lAo/s72-c/orbita.gif' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-8412713488092005796.post-8108989441805293462</id><published>2008-04-16T22:42:00.003+02:00</published><updated>2008-07-12T10:46:56.660+02:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Blog per la scuola'/><title type='text'>Il blog e la didattica</title><content type='html'>&lt;p align="center"&gt;&lt;span style="font-family:georgia;"&gt;&lt;strong&gt;&lt;em&gt;Che cos’è il blog? &lt;/em&gt;&lt;/strong&gt;&lt;/span&gt;&lt;/p&gt;&lt;p align="center"&gt;&lt;span style="font-family:georgia;"&gt;&lt;strong&gt;&lt;em&gt;Il blog o weblog è un sito web “scritto”, pubblicato ed aggiornato direttamente tramite il browser, utilizzando una piattaforma disponibile gratuitamente su portali o motori di ricerca. &lt;/em&gt;&lt;/strong&gt;&lt;/span&gt;&lt;/p&gt;&lt;p align="center"&gt;&lt;span style="font-family:georgia;"&gt;&lt;strong&gt;&lt;em&gt;Il blog è come il nodo in cui possono confluire molte altre forme di comunicazione online, e può essere gestito da una sola persona. &lt;/em&gt;&lt;/strong&gt;&lt;/span&gt;&lt;/p&gt;&lt;p align="center"&gt;&lt;span style="font-family:georgia;"&gt;&lt;strong&gt;&lt;em&gt;E’ una forma di pubblicazione immediata,&lt;/em&gt;&lt;/strong&gt;&lt;/span&gt;&lt;span style="font-family:georgia;"&gt;&lt;strong&gt;&lt;em&gt; che consente al docente (ma anche all’alunno) &lt;/em&gt;&lt;/strong&gt;&lt;/span&gt;&lt;span style="font-family:georgia;"&gt;&lt;strong&gt;&lt;em&gt;di essere subito interlocutore di una comunità più vasta. &lt;/em&gt;&lt;/strong&gt;&lt;/span&gt;&lt;/p&gt;&lt;p align="center"&gt;&lt;span style="font-family:georgia;"&gt;&lt;strong&gt;&lt;em&gt;Per l’educazione si aprono nuove possibilità espressive, di documentazione, di ricerca, di intervento, di confronto, di verifica.&lt;/em&gt;&lt;/strong&gt;&lt;/span&gt;&lt;/p&gt;&lt;p align="center"&gt;&lt;span style="font-family:georgia;"&gt;&lt;strong&gt;&lt;em&gt;Il blog può esser usato come diario online, come giornale di classe, come e-portfolio individuale che raccolga in maniera spontanea e progressiva quanto può rappresentare l’iter della crescita delle conoscenze individuali e della classe. &lt;/em&gt;&lt;/strong&gt;&lt;/span&gt;&lt;/p&gt;&lt;p align="center"&gt;INDIRE © 2006&lt;/p&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/8412713488092005796-8108989441805293462?l=sololostuporeconosce.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://sololostuporeconosce.blogspot.com/feeds/8108989441805293462/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=8412713488092005796&amp;postID=8108989441805293462' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/8108989441805293462'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/8412713488092005796/posts/default/8108989441805293462'/><link rel='alternate' type='text/html' href='http://sololostuporeconosce.blogspot.com/2008/04/il-blog-e-la-didattica.html' title='Il blog e la didattica'/><author><name>Arianna</name><uri>http://www.blogger.com/profile/16732139773920819821</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='32' height='24' src='http://2.bp.blogspot.com/_Z6rcQZFNI6I/SeLoqU0oV1I/AAAAAAAAAOo/wReXJAc0Loc/S220/1148799088Eclissi_luna.jpg'/></author><thr:total>0</thr:total></entry></feed>
