tag:blogger.com,1999:blog-56638912655186123362011-07-08T10:51:03.273+02:000 . 1 . 1 . 2 . 3 . 5 . 8 . 13 . 21 . 34 . 55 . 89 . 144 .... "Au coeur du tournesol"Jean-Yves Piffardhttp://www.blogger.com/profile/07450545325771428178noreply@blogger.comBlogger131100tag:blogger.com,1999:blog-5663891265518612336.post-41002440549955906062010-09-25T21:20:00.000+02:002010-09-25T21:20:06.019+02:00<div style="text-align: center;"><span class="Apple-style-span" style="font-size: x-large;"><span class="Apple-style-span" style="color: #274e13;"><b>Ce blog présente une création que j'ai réalisé 2009 au jardin botanique de la ville de Neuchâtel en Suisse.&nbsp;</b></span></span></div><br /><br /><br /><a href="http://2.bp.blogspot.com/_oazFFFbauBg/Sjd6tncufWI/AAAAAAAAAcM/2UV68zEyF-0/s1600-h/GAI_4320.jpg"><img alt="" border="0" height="428" id="BLOGGER_PHOTO_ID_5347878006627925346" src="http://2.bp.blogspot.com/_oazFFFbauBg/Sjd6tncufWI/AAAAAAAAAcM/2UV68zEyF-0/s640/GAI_4320.jpg" style="display: block; margin-bottom: 10px; margin-left: auto; margin-right: auto; margin-top: 0px; text-align: center;" width="640" /></a><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5663891265518612336-4100244054995590606?l=fibonacci-nature.blogspot.com' alt='' /></div>Jean-Yves Piffardhttp://www.blogger.com/profile/07450545325771428178noreply@blogger.comtag:blogger.com,1999:blog-5663891265518612336.post-20524918297940325962009-09-04T10:52:00.002+02:002009-09-04T10:55:30.818+02:00<a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_oazFFFbauBg/SqDV01joKGI/AAAAAAAAAfU/evyYUTKaNRs/s1600-h/DSC_0415.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 268px;" src="http://2.bp.blogspot.com/_oazFFFbauBg/SqDV01joKGI/AAAAAAAAAfU/evyYUTKaNRs/s400/DSC_0415.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5377533058786797666" /></a><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_oazFFFbauBg/SqDV0my1DTI/AAAAAAAAAfM/Y6coKXYFMLE/s1600-h/DSC_0413.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 268px;" src="http://2.bp.blogspot.com/_oazFFFbauBg/SqDV0my1DTI/AAAAAAAAAfM/Y6coKXYFMLE/s400/DSC_0413.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5377533054824025394" /></a><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_oazFFFbauBg/SqDV0Dy_7DI/AAAAAAAAAfE/846o3Iz3Xfc/s1600-h/DSC_0412.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 268px;" src="http://2.bp.blogspot.com/_oazFFFbauBg/SqDV0Dy_7DI/AAAAAAAAAfE/846o3Iz3Xfc/s400/DSC_0412.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5377533045429496882" /></a><br /><span class="Apple-style-span" style="font-size:large;">L'été à été chaud et humide, les plantes ont poussé et l'installation continue de se transformer.</span><div><span class="Apple-style-span" style="font-size:18px;"> </span></div><div><span class="Apple-style-span" style="font-size:18px;"><br /></span><br /><br /></div><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5663891265518612336-2052491829794032596?l=fibonacci-nature.blogspot.com' alt='' /></div>Jean-Yves Piffardhttp://www.blogger.com/profile/07450545325771428178noreply@blogger.comtag:blogger.com,1999:blog-5663891265518612336.post-60202738882156688562009-09-04T09:53:00.009+02:002009-09-04T10:52:02.224+02:00<span class="Apple-style-span" style="font-size:large;">Depuis sa création l'installation "Au coeur du tournesol" a suscité divers rencontres et intérêts.<br /><br /><br />En juin<br />Elle a permis la rencontre avec des musiciens qui ont joué avec subtilité sur le thème de la suite de Fibonacci.</span><div><span class="Apple-style-span" style="font-size:large;">Un mélange du jazz et de l'électro, entre création et improvisation. La rencontre de deux groupes de musiciens, des amis et le même plaisir, la recherche du son qui fait vibrer le coeur et l'âme.</span></div><div><span class="Apple-style-span" style="font-size:large;">Pour savoir plus, je vous invite à les découvrir sur notre blog qui nous rassemble. </span></div><div><br /></div><div><a href="http://artenliberte.blogspot.com/" target="_blank"><span class="Apple-style-span" style="font-size:large;">Collectif Art en liberté - Artistes multimédi'arts</span></a></div><div><br /><br /><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_oazFFFbauBg/SqDVE3gEcXI/AAAAAAAAAe8/8_AAp2vfIyU/s1600-h/DSC_0285.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 268px;" src="http://2.bp.blogspot.com/_oazFFFbauBg/SqDVE3gEcXI/AAAAAAAAAe8/8_AAp2vfIyU/s400/DSC_0285.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5377532234675024242" /></a><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_oazFFFbauBg/SqDVET0dJwI/AAAAAAAAAe0/mGQpnQaQE4g/s1600-h/GAI_4626.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 268px;" src="http://1.bp.blogspot.com/_oazFFFbauBg/SqDVET0dJwI/AAAAAAAAAe0/mGQpnQaQE4g/s400/GAI_4626.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5377532225096853250" /></a><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_oazFFFbauBg/SqDNJezcxhI/AAAAAAAAAeE/2O1BKeTd4Qk/s1600-h/GAI_4530.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 268px;" src="http://4.bp.blogspot.com/_oazFFFbauBg/SqDNJezcxhI/AAAAAAAAAeE/2O1BKeTd4Qk/s400/GAI_4530.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5377523517851747858" /></a><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_oazFFFbauBg/SqDNIs0h33I/AAAAAAAAAd8/YF2v6i7XAWk/s1600-h/GAI_4526.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 268px;" src="http://2.bp.blogspot.com/_oazFFFbauBg/SqDNIs0h33I/AAAAAAAAAd8/YF2v6i7XAWk/s400/GAI_4526.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5377523504434503538" /></a><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://3.bp.blogspot.com/_oazFFFbauBg/SqDNIfdvLhI/AAAAAAAAAd0/q3lTT8nFmPk/s1600-h/GAI_4519.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 268px;" src="http://3.bp.blogspot.com/_oazFFFbauBg/SqDNIfdvLhI/AAAAAAAAAd0/q3lTT8nFmPk/s400/GAI_4519.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5377523500849245714" /></a><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_oazFFFbauBg/SqDNIKI3zFI/AAAAAAAAAds/Vre30fwbSUk/s1600-h/GAI_4514.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 268px;" src="http://2.bp.blogspot.com/_oazFFFbauBg/SqDNIKI3zFI/AAAAAAAAAds/Vre30fwbSUk/s400/GAI_4514.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5377523495124585554" /></a><br /><br /><span class="Apple-style-span" style="font-size:large;"><span class="Apple-style-span" style="color: rgb(0, 102, 0);">L'association graine de belette a aussi réalisé une activité avec des enfants autour du rapport entre la Nature et la suite de Fibonacci</span></span></div><div><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://3.bp.blogspot.com/_oazFFFbauBg/SqDPBwOR60I/AAAAAAAAAes/Loenwhh0lyU/s1600-h/DSC06210.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 300px;" src="http://3.bp.blogspot.com/_oazFFFbauBg/SqDPBwOR60I/AAAAAAAAAes/Loenwhh0lyU/s400/DSC06210.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5377525584111987522" /></a><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_oazFFFbauBg/SqDPBe2NnVI/AAAAAAAAAek/n5KOHoP0myA/s1600-h/DSC06209.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 300px;" src="http://1.bp.blogspot.com/_oazFFFbauBg/SqDPBe2NnVI/AAAAAAAAAek/n5KOHoP0myA/s400/DSC06209.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5377525579447639378" /></a><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_oazFFFbauBg/SqDPBJZtWaI/AAAAAAAAAec/iVxKc-nr7sQ/s1600-h/DSC06177.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 300px;" src="http://4.bp.blogspot.com/_oazFFFbauBg/SqDPBJZtWaI/AAAAAAAAAec/iVxKc-nr7sQ/s400/DSC06177.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5377525573690939810" /></a><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_oazFFFbauBg/SqDPAkw4eyI/AAAAAAAAAeU/XArIs2wKWqM/s1600-h/DSC06174.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 300px;" src="http://1.bp.blogspot.com/_oazFFFbauBg/SqDPAkw4eyI/AAAAAAAAAeU/XArIs2wKWqM/s400/DSC06174.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5377525563856026402" /></a><br /><br /><div><span class="Apple-style-span" style="font-size:large;">Internet est comme un pigeon voyageur, il permet de nous relier, le blog est maintenant en référence dans 2 journaux du net consacrés aux mathématiques. </span></div><div><span class="Apple-style-span" style="font-size:large;"><br /></span></div><div><span class="Apple-style-span" style="font-size:large;">En Espagne (Université du pays basque)</span></div><div><a href="http://www.matematicalia.net/index.php?option=com_content&amp;task=view&amp;id=1794&amp;Itemid=1" target="_blank"><span class="Apple-style-span" style="font-size:large;">Matematicalia</span></a><span class="Apple-style-span" style="font-size:large;"> </span></div><div><span class="Apple-style-span" style="font-size:large;"><br /></span></div><div><span class="Apple-style-span" style="font-size:large;">En France</span></div><div><p style="margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px Helvetica"><a href="http://images.math.cnrs.fr/Revue-de-presse-juillet-aout-2009.html" target="_blank"><span class="Apple-style-span" style="font-size:large;">Images des Mathématiques</span></a></p></div><div><br /></div><div><br /><br /></div></div><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5663891265518612336-6020273888215668856?l=fibonacci-nature.blogspot.com' alt='' /></div>Jean-Yves Piffardhttp://www.blogger.com/profile/07450545325771428178noreply@blogger.comtag:blogger.com,1999:blog-5663891265518612336.post-2802767839526205152009-08-11T11:18:00.002+02:002009-09-04T10:29:22.392+02:00Merci à tous les visiteurs qui ont participé à notre rencontre avec M. Francois Felber directeur du jardin botanique, M. Jean-Luc Bovet mathématicien et moi même le dimanche 9 août. Cette rencontre a remporté un grand succès. Merci à Sylvia Freda, journaliste à l'Express de Neuchâtel pour son article sur l'installation "Au coeur du tournesol"<div><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_oazFFFbauBg/SoEyNg82-dI/AAAAAAAAAck/knDXh2069hA/s1600-h/GAI_5326.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 268px;" src="http://4.bp.blogspot.com/_oazFFFbauBg/SoEyNg82-dI/AAAAAAAAAck/knDXh2069hA/s400/GAI_5326.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5368627438567225810" /></a><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_oazFFFbauBg/SoEyN_HTWwI/AAAAAAAAAcs/i52CibEyoH4/s1600-h/GAI_5330.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 268px;" src="http://2.bp.blogspot.com/_oazFFFbauBg/SoEyN_HTWwI/AAAAAAAAAcs/i52CibEyoH4/s400/GAI_5330.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5368627446664092418" /></a><br /><br />L'installation se transforme, elle est vivante, les plantes dans les pots bleus croissent, le regard du visiteur pour découvrir les courbes doit plus être plus vif.</div><div>Merci pour l'entretien de l'installation, le désherbage. l'installation va essayé de vivre jusqu'à fin septembre, début octobre, après elle disparaîtra comme toute oeuvre éphémère.</div><div><br /></div><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5663891265518612336-280276783952620515?l=fibonacci-nature.blogspot.com' alt='' /></div>Jean-Yves Piffardhttp://www.blogger.com/profile/07450545325771428178noreply@blogger.comtag:blogger.com,1999:blog-5663891265518612336.post-68685346783610946222009-08-11T10:27:00.012+02:002009-08-11T11:22:09.299+02:00Voici les fiches que vous pouvez découvrir lors de votre visite dans le jardin botanique, elles expliquent aux visiteurs la démarche de l'installation<br /><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_oazFFFbauBg/SoE1nlxvDCI/AAAAAAAAAdk/vZanyJyCbyA/s1600-h/fiche1.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 283px; height: 400px;" src="http://1.bp.blogspot.com/_oazFFFbauBg/SoE1nlxvDCI/AAAAAAAAAdk/vZanyJyCbyA/s400/fiche1.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5368631185074228258" /></a><br /><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_oazFFFbauBg/SoE1ndO_ZsI/AAAAAAAAAdc/mhb69IrGx4s/s1600-h/fiche2.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 285px; height: 400px;" src="http://4.bp.blogspot.com/_oazFFFbauBg/SoE1ndO_ZsI/AAAAAAAAAdc/mhb69IrGx4s/s400/fiche2.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5368631182781015746" /></a><br /><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_oazFFFbauBg/SoE1LN8xZvI/AAAAAAAAAdU/xMNCAkDX_SA/s1600-h/fiche3.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 284px; height: 400px;" src="http://1.bp.blogspot.com/_oazFFFbauBg/SoE1LN8xZvI/AAAAAAAAAdU/xMNCAkDX_SA/s400/fiche3.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5368630697641731826" /></a><br /><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://3.bp.blogspot.com/_oazFFFbauBg/SoE1K1Vsg9I/AAAAAAAAAdM/mU4OUt5LoHY/s1600-h/fiche4.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 293px; height: 400px;" src="http://3.bp.blogspot.com/_oazFFFbauBg/SoE1K1Vsg9I/AAAAAAAAAdM/mU4OUt5LoHY/s400/fiche4.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5368630691035382738" /></a><br /><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_oazFFFbauBg/SoE1KyQnfnI/AAAAAAAAAdE/7_fmzYf5Ay0/s1600-h/fiche5.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 284px; height: 400px;" src="http://2.bp.blogspot.com/_oazFFFbauBg/SoE1KyQnfnI/AAAAAAAAAdE/7_fmzYf5Ay0/s400/fiche5.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5368630690208775794" /></a><br /><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_oazFFFbauBg/SoE1KYsIdJI/AAAAAAAAAc8/U0MaKdED_hM/s1600-h/fiche6.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 285px; height: 400px;" src="http://1.bp.blogspot.com/_oazFFFbauBg/SoE1KYsIdJI/AAAAAAAAAc8/U0MaKdED_hM/s400/fiche6.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5368630683344860306" /></a><br /><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_oazFFFbauBg/SoE1J3FyZzI/AAAAAAAAAc0/NfneyNd_O3c/s1600-h/fiche7.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 283px; height: 400px;" src="http://1.bp.blogspot.com/_oazFFFbauBg/SoE1J3FyZzI/AAAAAAAAAc0/NfneyNd_O3c/s400/fiche7.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5368630674325661490" /></a><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5663891265518612336-6868534678361094622?l=fibonacci-nature.blogspot.com' alt='' /></div>Jean-Yves Piffardhttp://www.blogger.com/profile/07450545325771428178noreply@blogger.comtag:blogger.com,1999:blog-5663891265518612336.post-8578752419655011402009-07-28T12:06:00.006+02:002009-07-28T12:18:43.435+02:00<div style="text-align: center;"><span class="Apple-style-span" style="font-family:arial, fantasy;color:#FF0000;"><br /></span></div><div style="text-align: center;"><span class="Apple-style-span" style="font-family:arial, fantasy;color:#FF0000;"><br /></span></div><div style="text-align: center;"><span class="Apple-style-span" style="font-family:arial, fantasy;color:#FF0000;"><br /></span></div><div style="text-align: center;"><span class="Apple-style-span" style="font-family:arial, fantasy;color:#FF0000;"><br /></span></div><div style="text-align: center;"><span class="Apple-style-span" style="font-family:arial, fantasy;color:#FF0000;"><br /></span></div><div style="text-align: center;"><span class="Apple-style-span" style="font-family:arial, fantasy;color:#FF0000;"><br /></span></div><div style="text-align: center;"><span class="Apple-style-span" style="font-family:arial, fantasy;color:#FF0000;"><br /></span></div><div style="text-align: center;"><span class="Apple-style-span" style="font-family:arial, fantasy;color:#FF0000;"><br /></span></div><div style="text-align: center;"><span class="Apple-style-span" style="font-family:arial, fantasy;color:#FF0000;"><br /></span></div><div style="text-align: center;"><span class="Apple-style-span" style="font-size:x-large;"><span class="Apple-style-span" style="color:#FF0000;"><span class="Apple-style-span" style="font-family:arial;">DIMANCHE 9 AOUT à 16h00</span></span></span></div><div style="text-align: center;"><span class="Apple-style-span" style="font-family:arial, fantasy;color:#FF0000;"><br /></span></div><div style="text-align: center;"><span class="Apple-style-span" style="font-family:arial, -webkit-fantasy;color:#FF0000;"><br /></span></div><div style="text-align: center;"><span class="Apple-style-span" style="font-size:large;"><span class="Apple-style-span" style="color:#009900;"><span class="Apple-style-span" style="font-family:arial;">Jardin botanique de Neuchâtel</span></span></span></div><div><span class="Apple-style-span" style="font-family:Calibri, sans-serif;font-size:130%;"><span class="Apple-style-span" style="font-size:15px;"><br /></span></span></div><div><span class="Apple-style-span" style=" ;font-family:Calibri, sans-serif;"><span class="Apple-style-span" style="font-size:large;">Présentation de l’installation de Jean-Yves Piffard « Au cœur du tournesol » inspirée de la suite de Fibonacci. </span></span></div><div><span class="Apple-style-span" style="font-family:Calibri, sans-serif;"><br /></span></div><div><span class="Apple-style-span" style=" ;font-family:Calibri, sans-serif;"><span class="Apple-style-span" style="font-size:large;">Présence de Jean-Yves Piffard, artiste , Jean-Luc Bovet, mathématicien, et François Felber, botaniste et directeur du Jardin botanique de Neuchâtel.</span></span></div><div><br /></div><div style="text-align: center;"><span class="Apple-style-span" style=" ;font-family:Calibri, sans-serif;"></span><span class="Apple-style-span" style="font-size:x-large;">Ouvert à tous, soyez les bienvenus</span></div><div> </div><div><br /></div><div><br /></div><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5663891265518612336-857875241965501140?l=fibonacci-nature.blogspot.com' alt='' /></div>Jean-Yves Piffardhttp://www.blogger.com/profile/07450545325771428178noreply@blogger.comtag:blogger.com,1999:blog-5663891265518612336.post-5579742558755700882009-06-16T12:42:00.007+02:002009-06-16T13:03:52.975+02:00<span class="Apple-style-span" style="font-size:large;"><div><br /></div><span class="Apple-style-span" style="color: rgb(204, 102, 0);">Cette installation me fait penser à la phrase du poète Paul Eluard</span> </span><span class="Apple-style-span" style="color: rgb(153, 0, 0);"><span class="Apple-style-span" style="font-weight: bold;"><span class="Apple-style-span" style="font-size:large;">"La terre est bleue comme une orange". </span><span class="Apple-style-span" style="color: rgb(0, 0, 0);"><span class="Apple-style-span" style="font-size:large;"><span class="Apple-style-span" style="font-weight: normal;"></span></span></span></span></span><div><span class="Apple-style-span" style=""><span class="Apple-style-span" style=""><span class="Apple-style-span" style=""><span class="Apple-style-span" style="font-size:large;"></span></span></span></span><span class="Apple-style-span" style="color: rgb(153, 0, 0); font-weight: bold;"><br /></span><div><span class="Apple-style-span" style=""><span class="Apple-style-span" style="font-weight: bold;"><span class="Apple-style-span" style=""><span class="Apple-style-span" style="font-weight: normal;"><span class="Apple-style-span" style="font-size:large;"><span class="Apple-style-span" style="color: rgb(204, 102, 0);">Les plantes doivent encore se développer pour nous offrir toutes leurs fleurs de couleur rose. L'installation permet de voir l'effet optique de la double spirale. </span></span></span></span></span></span></div><div><span class="Apple-style-span" style=""><span class="Apple-style-span" style="font-weight: bold;"><span class="Apple-style-span" style=""><span class="Apple-style-span" style="font-weight: normal;"><span class="Apple-style-span" style="font-size:large;"><span class="Apple-style-span" style="color: rgb(204, 102, 0);">En arrière, dans la Nature les chiffres du début de la suite de Fibonacci.</span></span></span></span></span></span><div><br /></div><div><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_oazFFFbauBg/Sjd6uA5DkuI/AAAAAAAAAcc/DpY3_VwQeOc/s1600-h/GAI_4316.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 268px;" src="http://1.bp.blogspot.com/_oazFFFbauBg/Sjd6uA5DkuI/AAAAAAAAAcc/DpY3_VwQeOc/s400/GAI_4316.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5347878013457634018" /></a><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_oazFFFbauBg/Sjd6t59XamI/AAAAAAAAAcU/O0C6wx6uu0E/s1600-h/GAI_4317.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 268px;" src="http://4.bp.blogspot.com/_oazFFFbauBg/Sjd6t59XamI/AAAAAAAAAcU/O0C6wx6uu0E/s400/GAI_4317.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5347878011596663394" /></a><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_oazFFFbauBg/Sjd6tncufWI/AAAAAAAAAcM/2UV68zEyF-0/s1600-h/GAI_4320.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 268px;" src="http://2.bp.blogspot.com/_oazFFFbauBg/Sjd6tncufWI/AAAAAAAAAcM/2UV68zEyF-0/s400/GAI_4320.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5347878006627925346" /></a><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_oazFFFbauBg/Sjd6tZSa8fI/AAAAAAAAAcE/RF5SYs4ETyk/s1600-h/GAI_4323.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 268px;" src="http://1.bp.blogspot.com/_oazFFFbauBg/Sjd6tZSa8fI/AAAAAAAAAcE/RF5SYs4ETyk/s400/GAI_4323.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5347878002826605042" /></a><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_oazFFFbauBg/Sjd6tFKWRFI/AAAAAAAAAb8/S-L3VWvnmdQ/s1600-h/GAI_4327.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 268px;" src="http://4.bp.blogspot.com/_oazFFFbauBg/Sjd6tFKWRFI/AAAAAAAAAb8/S-L3VWvnmdQ/s400/GAI_4327.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5347877997424034898" /></a><br /><br /><br /></div><div><div style="text-align: center;"><span class="Apple-style-span" style="color: rgb(255, 102, 0); -webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px;font-family:Verdana;"><br /></span></div><div style="text-align: center;"><span class="Apple-style-span" style=" -webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px; font-family:Verdana;"><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;">La terre est </span></span><strong><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;"><span class="Apple-style-span" style="font-weight: normal;">bleue</span></span></span></strong><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;"> comme une </span></span><strong><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;"><span class="Apple-style-span" style="font-weight: normal;">orange</span></span></span></strong><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;"> </span></span></span><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;"><br /></span></span></div><span class="Apple-style-span" style=" -webkit-border-horizontal-spacing: 5px; -webkit-border-vertical-spacing: 5px; font-family:Times;"><div style="text-align: center;"><span class="Apple-style-span" style=" -webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px; font-family:Verdana;"><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;">Jamais une erreur</span></span><strong><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;"><span class="Apple-style-span" style="font-weight: normal;"> les mots ne mentent pas</span></span></span></strong><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;"> </span></span></span><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;"><br /></span></span></div><span class="Apple-style-span" style=" -webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px; font-family:Verdana;"><div style="text-align: center;"><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;">Ils ne vous donnent plus à </span></span><strong><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;"><span class="Apple-style-span" style="font-weight: normal;">chanter</span></span></span></strong><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;"> <br /></span></span></div><strong><div style="text-align: center;"><strong><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;"><span class="Apple-style-span" style="font-weight: normal;">Au tour des baisers</span></span></span></strong><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;"><span class="Apple-style-span" style="font-weight: normal;"> de s'entendre </span></span></span><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;"><span class="Apple-style-span" style="font-weight: normal;"><br /></span></span></span></div></strong><div style="text-align: center;"><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;">Les</span></span><strong><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;"><span class="Apple-style-span" style="font-weight: normal;"> fous</span></span></span></strong><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;"> et les amours <br /></span></span></div><div style="text-align: center;"><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;">Elle sa bouche d'alliance <br /></span></span></div><div style="text-align: center;"><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;">Tous les secrets tous</span></span><strong><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;"><span class="Apple-style-span" style="font-weight: normal;"> les sourires</span></span></span></strong><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;"> <br /></span></span></div><div style="text-align: center;"><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;">Et quels vêtements d'indulgence <br /></span></span></div><div style="text-align: center;"><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;">À la croire </span></span><strong><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;"><span class="Apple-style-span" style="font-weight: normal;">toute nue</span></span></span></strong><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;">.<br /></span></span></div></span></span></div><div><div style="text-align: center;"><span class="Apple-style-span" style=" -webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px; font-family:Verdana;"><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;">Les guêpes fleurissent</span></span><strong><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;"><span class="Apple-style-span" style="font-weight: normal;"> vert </span></span></span></strong></span><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;"><br /></span></span></div><span class="Apple-style-span" style=" -webkit-border-horizontal-spacing: 5px; -webkit-border-vertical-spacing: 5px; font-family:Times;"><div style="text-align: center;"><span class="Apple-style-span" style=" -webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px; font-family:Verdana;"><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;">L'aube se passe </span></span><strong><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;"><span class="Apple-style-span" style="font-weight: normal;">autour du cou</span></span></span></strong><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;"> </span></span></span><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;"><br /></span></span></div><span class="Apple-style-span" style=" -webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px; font-family:Verdana;"><div style="text-align: center;"><strong><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;"><span class="Apple-style-span" style="font-weight: normal;">Un collier de fenêtres</span></span></span></strong><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;"> <br /></span></span></div><div style="text-align: center;"><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;">Des</span></span><strong><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;"><span class="Apple-style-span" style="font-weight: normal;"> ailes</span></span></span></strong><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;"> couvrent les feuilles <br /></span></span></div><div style="text-align: center;"><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;">Tu as toutes les</span></span><strong><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;"><span class="Apple-style-span" style="font-weight: normal;"> joies solaires</span></span></span></strong><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;"> <br /></span></span></div><div style="text-align: center;"><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;">Tout le soleil sur la terre <br /></span></span></div><div style="text-align: center;"><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;">Sur les chemins de </span></span><strong><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;"><span class="Apple-style-span" style="font-weight: normal;">ta beauté.</span></span></span></strong><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;"><br /></span></span></div><div style="text-align: center;"><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><br /></span></div><div style="text-align: center;"><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:small;">Paul Eluard - 1929</span></span></div></span></span></div><div style="text-align: center;"><br /></div></div></div><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5663891265518612336-557974255875570088?l=fibonacci-nature.blogspot.com' alt='' /></div>Jean-Yves Piffardhttp://www.blogger.com/profile/07450545325771428178noreply@blogger.comtag:blogger.com,1999:blog-5663891265518612336.post-73702322245320362372009-06-16T12:23:00.001+02:002009-06-16T12:41:20.731+02:00<span class="Apple-style-span" style="font-size:large;">Lundi 14 juin suite de la mise en place l'installation "Au coeur du tournesol". J'ai pu être aidé par les apprentis-ies qui sont en formation dans le jardin botanique. </span><div><span class="Apple-style-span" style="font-size:large;">Un grand merci à eux pour leur efficacité.</span></div><div><span class="Apple-style-span" style="font-size:18px;"><br /></span></div><div><span class="Apple-style-span" style="font-size:18px;"><br /></span></div><br /><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://3.bp.blogspot.com/_oazFFFbauBg/Sjd2oUogPZI/AAAAAAAAAb0/d5NGzJ8dboc/s1600-h/GAI_4142.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 268px;" src="http://3.bp.blogspot.com/_oazFFFbauBg/Sjd2oUogPZI/AAAAAAAAAb0/d5NGzJ8dboc/s400/GAI_4142.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5347873517631192466" /></a><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_oazFFFbauBg/Sjd2od7LwSI/AAAAAAAAAbs/6RFi4gT-fvk/s1600-h/GAI_4148.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 268px;" src="http://2.bp.blogspot.com/_oazFFFbauBg/Sjd2od7LwSI/AAAAAAAAAbs/6RFi4gT-fvk/s400/GAI_4148.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5347873520125460770" /></a><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://3.bp.blogspot.com/_oazFFFbauBg/Sjd2eq1nbkI/AAAAAAAAAbk/uw_fSxiCE5I/s1600-h/GAI_4151.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 268px;" src="http://3.bp.blogspot.com/_oazFFFbauBg/Sjd2eq1nbkI/AAAAAAAAAbk/uw_fSxiCE5I/s400/GAI_4151.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5347873351793077826" /></a><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_oazFFFbauBg/Sjd2efzjaEI/AAAAAAAAAbc/HdfNsAiCovA/s1600-h/GAI_4215.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 268px;" src="http://2.bp.blogspot.com/_oazFFFbauBg/Sjd2efzjaEI/AAAAAAAAAbc/HdfNsAiCovA/s400/GAI_4215.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5347873348831635522" /></a><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_oazFFFbauBg/Sjd2eEz6BaI/AAAAAAAAAbU/Ib0zSz28WQI/s1600-h/GAI_4286.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 268px;" src="http://4.bp.blogspot.com/_oazFFFbauBg/Sjd2eEz6BaI/AAAAAAAAAbU/Ib0zSz28WQI/s400/GAI_4286.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5347873341585360290" /></a><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_oazFFFbauBg/Sjd2dw41-OI/AAAAAAAAAbM/4tBmvUJEMqo/s1600-h/GAI_4292.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 268px;" src="http://2.bp.blogspot.com/_oazFFFbauBg/Sjd2dw41-OI/AAAAAAAAAbM/4tBmvUJEMqo/s400/GAI_4292.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5347873336237357282" /></a><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_oazFFFbauBg/Sjd2dvkNOlI/AAAAAAAAAbE/GYWqXigsVNM/s1600-h/GAI_4296.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 268px;" src="http://1.bp.blogspot.com/_oazFFFbauBg/Sjd2dvkNOlI/AAAAAAAAAbE/GYWqXigsVNM/s400/GAI_4296.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5347873335882365522" /></a><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_oazFFFbauBg/Sjd2GS0ekPI/AAAAAAAAAa8/ezJWvjguRLI/s1600-h/GAI_4298.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 268px;" src="http://1.bp.blogspot.com/_oazFFFbauBg/Sjd2GS0ekPI/AAAAAAAAAa8/ezJWvjguRLI/s400/GAI_4298.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5347872933028991218" /></a><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://3.bp.blogspot.com/_oazFFFbauBg/Sjd2FiSTidI/AAAAAAAAAa0/swyMZEIsY5M/s1600-h/GAI_4301.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 268px;" src="http://3.bp.blogspot.com/_oazFFFbauBg/Sjd2FiSTidI/AAAAAAAAAa0/swyMZEIsY5M/s400/GAI_4301.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5347872920000760274" /></a><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_oazFFFbauBg/Sjd2Fckig9I/AAAAAAAAAas/mHmy-ncUuAs/s1600-h/GAI_4308.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 268px;" src="http://1.bp.blogspot.com/_oazFFFbauBg/Sjd2Fckig9I/AAAAAAAAAas/mHmy-ncUuAs/s400/GAI_4308.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5347872918466626514" /></a><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_oazFFFbauBg/Sjd2FKx0DfI/AAAAAAAAAak/w47eikwDgEw/s1600-h/GAI_4311.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 268px;" src="http://2.bp.blogspot.com/_oazFFFbauBg/Sjd2FKx0DfI/AAAAAAAAAak/w47eikwDgEw/s400/GAI_4311.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5347872913690463730" /></a><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_oazFFFbauBg/Sjd2EhHcl5I/AAAAAAAAAac/3LUDUF4CMfI/s1600-h/GAI_4314.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 268px;" src="http://4.bp.blogspot.com/_oazFFFbauBg/Sjd2EhHcl5I/AAAAAAAAAac/3LUDUF4CMfI/s400/GAI_4314.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5347872902506911634" /></a><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5663891265518612336-7370232224532036237?l=fibonacci-nature.blogspot.com' alt='' /></div>Jean-Yves Piffardhttp://www.blogger.com/profile/07450545325771428178noreply@blogger.comtag:blogger.com,1999:blog-5663891265518612336.post-58527065946436765132009-06-16T11:57:00.008+02:002009-06-16T12:34:03.804+02:00<div style="text-align: center;"><br /></div><br /><span class="Apple-style-span" style="font-size:large;">Le vendredi 12 juin, début de la mise en place de l'installation "Au coeur du tournesol". Réalisation d'un cercle avec du sable. Mise en place de chiffres qui illustre la suite de Fibonacci </span><div><br /><br /><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 268px;" src="http://4.bp.blogspot.com/_oazFFFbauBg/SjdwT_jDWEI/AAAAAAAAAZ0/Cs9o1G2atho/s400/GAI_4122.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5347866571304032322" /></div><div style="text-align: center;"><br /></div><div style="text-align: center;"><br /></div><div style="text-align: center;"><span class="Apple-style-span" style="color: rgb(0, 0, 238); "><img src="http://3.bp.blogspot.com/_oazFFFbauBg/SjdwUDLh8LI/AAAAAAAAAZ8/wG1efGvaoq4/s400/GAI_4124.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5347866572279115954" style="display: block; margin-top: 0px; margin-right: auto; margin-bottom: 10px; margin-left: auto; text-align: center; cursor: pointer; width: 400px; height: 268px; " /></span></div><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://3.bp.blogspot.com/_oazFFFbauBg/SjdwUVXMNwI/AAAAAAAAAaE/G7nJwrl6kDM/s1600-h/GAI_4127.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 268px;" src="http://3.bp.blogspot.com/_oazFFFbauBg/SjdwUVXMNwI/AAAAAAAAAaE/G7nJwrl6kDM/s400/GAI_4127.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5347866577159862018" /></a><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://3.bp.blogspot.com/_oazFFFbauBg/SjdwUDLh8LI/AAAAAAAAAZ8/wG1efGvaoq4/s1600-h/GAI_4124.jpg"></a><br /><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_oazFFFbauBg/SjdwUkieVYI/AAAAAAAAAaM/1ehYxiF8_cw/s1600-h/GAI_4130.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 268px;" src="http://2.bp.blogspot.com/_oazFFFbauBg/SjdwUkieVYI/AAAAAAAAAaM/1ehYxiF8_cw/s400/GAI_4130.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5347866581233718658" /></a><div><br /></div><div><br /></div><div><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_oazFFFbauBg/Sjd0GQ32xOI/AAAAAAAAAaU/74dLktCvVgA/s1600-h/chiffres.jpg"><img src="http://1.bp.blogspot.com/_oazFFFbauBg/Sjd0GQ32xOI/AAAAAAAAAaU/74dLktCvVgA/s400/chiffres.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5347870733483033826" style="display: block; margin-top: 0px; margin-right: auto; margin-bottom: 10px; margin-left: auto; text-align: center; cursor: pointer; width: 400px; height: 85px; " /></a></div><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5663891265518612336-5852706594643676513?l=fibonacci-nature.blogspot.com' alt='' /></div>Jean-Yves Piffardhttp://www.blogger.com/profile/07450545325771428178noreply@blogger.comtag:blogger.com,1999:blog-5663891265518612336.post-6433765976785180462009-05-21T19:35:00.011+02:002009-05-21T20:35:22.949+02:00<div><br /></div><div><br /></div><div style="text-align: center;"><span class="Apple-style-span" style="color: rgb(204, 51, 204); font-style: italic; font-weight: bold;"><br /></span></div><div style="text-align: center;"><span class="Apple-style-span" style="color: rgb(204, 51, 204); font-style: italic; font-weight: bold; ">Lobélia érinus</span></div><div><br /></div><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_oazFFFbauBg/ShWXqDtVG2I/AAAAAAAAAYk/z1Xn1kRnzhA/s1600-h/lobelia+erinus+Riviera+Rose.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 306px; height: 306px;" src="http://1.bp.blogspot.com/_oazFFFbauBg/ShWXqDtVG2I/AAAAAAAAAYk/z1Xn1kRnzhA/s400/lobelia+erinus+Riviera+Rose.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5338339682123324258" /></a><div style="text-align: center;"><br /></div><div style="text-align: justify;"><br /></div><span class="Apple-style-span" style="font-family:arial;"><div style="text-align: justify;"><span class="Apple-style-span" style="font-size:medium;">L'installation "au coeur du tournesol" n'est pas qu'une suite de chiffres, c'est en premier lieu une création végétale bien vivante. Elle a commencé à germer au mois de mars dans les serres du jardin sous la conduite avisée de Laurent Oppliger maître horticulteur et de Mme</span><span class="Apple-style-span" style=" ;font-family:'Times New Roman';"><span class="Apple-style-span" style="font-size:medium;"> </span></span><span class="Apple-style-span" style=" ;"><span class="Apple-style-span" style="font-size:medium;">Elisabeth Oppliger horticultrice et fleuriste, responsable des cultures et serres </span></span><span class="Apple-style-span" style=" ;font-family:'Times New Roman';"><span class="Apple-style-span" style="font-size:medium;"><span class="Apple-style-span" style="font-family:arial;">du</span> </span></span><span class="Apple-style-span" style="font-size:medium;">jardin botanique de Neuchâtel. Pour eux le challenge est important dans cette création. Pour reprendre leurs mots :</span><br /></div></span><div style="text-align: justify;"><span class="Apple-style-span" style="font-family:arial;"><span class="Apple-style-span" style="font-size:medium;"> </span><span class="Apple-style-span" style="font-style: italic;"><span class="Apple-style-span" style="font-size:medium;">"</span></span></span><span class="Apple-style-span" style="font-family:arial;"><span class="Apple-style-span" style="font-style: italic;"><span class="Apple-style-span" style="font-size:medium;">Notre projet n’est pas qu’une question de mathématique lié à Fibonacci et à la mise en place par l’artiste, c’est aussi une question de mathématique et de calcul pour l’horticulteur.</span></span></span></div><span class="Apple-style-span" style=" ;font-family:Helvetica;font-size:12px;"><p class="MsoNormal" style="text-align: justify;margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; "><span style=""><span class="Apple-style-span" style="font-style: italic;"><span class="Apple-style-span" style="font-family:arial;"><span class="Apple-style-span" style="font-size:medium;">En terme de nombre de plantes : ni trop peu pour avoir une marge de manœuvre en cas de pertes et de plantes pas belles, ni trop parce que cela coûte sur différents plans.</span></span></span><span class="Apple-style-span" style="font-style: italic;"><span class="Apple-style-span" style="font-family:arial;"><span class="Apple-style-span" style="font-size:medium;"><o:p></o:p></span></span></span></span></p><p class="MsoNormal" style="text-align: justify;margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; "><span style=""><span class="Apple-style-span" style="font-style: italic;"><span class="Apple-style-span" style="font-family:arial;"><span class="Apple-style-span" style="font-size:medium;">En terme de durée de culture : c’est un compte à rebours pour arriver le jours J avec des plantes fleuries, ni trop malingres, ni trop développées."</span></span></span></span></p><p class="MsoNormal" style="text-align: justify;margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; "><span class="Apple-style-span" style=" font-style: italic;"><span class="Apple-style-span" style="font-family:arial;"><span class="Apple-style-span" style="font-size:medium;"><br /></span></span></span></p><p class="MsoNormal" style="text-align: justify;margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; "><span class="Apple-style-span" style=" ;"><span class="Apple-style-span" style="font-family:arial;"><span class="Apple-style-span" style="font-size:medium;">Lors d'une rencontre préparatoire, ils m'ont conseillé un choix de plantes. Nous avons décidé de prendre comme plante principale pour l'installation le </span></span><span class="Apple-style-span" style=" ;"><span class="Apple-style-span" style="font-style: italic;"><span class="Apple-style-span" style="font-weight: bold;"><span class="Apple-style-span" style="font-family:arial;"><span class="Apple-style-span" style="font-size:medium;">Lobelia erinus.</span></span></span></span></span></span></p><p class="MsoNormal" style="text-align: justify;margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; "><span class="Apple-style-span" style=" font-style: italic; font-weight: bold;"><span class="Apple-style-span" style="font-family:arial;"><span class="Apple-style-span" style="font-size:medium;"><br /></span></span></span></p><p class="MsoNormal" style="text-align: justify;margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; "><span class="Apple-style-span" style=" ;"><span class="Apple-style-span" style="font-family:arial;"><span class="Apple-style-span" style="font-size:medium;">Les photos qui suivent montre la culture des plantes pour l'installation (photos de L.Oppliger)</span></span></span></p><p class="MsoNormal" style="text-align: justify;margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; "><span class="Apple-style-span" style=" font-style: italic;"><span class="Apple-style-span" style="font-family:arial;"><span class="Apple-style-span" style="font-size:medium;"><br /></span></span></span></p><p class="MsoNormal" style="text-align: justify;margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; "><span class="Apple-style-span" style=" font-style: italic;font-family:arial;font-size:16px;"><br /></span></p></span><div><br /></div><br /><div><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_oazFFFbauBg/ShWbO1aHkqI/AAAAAAAAAZU/5NV3y-8z8WQ/s1600-h/plante3.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 300px;" src="http://2.bp.blogspot.com/_oazFFFbauBg/ShWbO1aHkqI/AAAAAAAAAZU/5NV3y-8z8WQ/s400/plante3.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5338343612474692258" /></a><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_oazFFFbauBg/ShWaE2QrM_I/AAAAAAAAAYs/j1-PKGVX0k8/s1600-h/plante+4.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 300px;" src="http://2.bp.blogspot.com/_oazFFFbauBg/ShWaE2QrM_I/AAAAAAAAAYs/j1-PKGVX0k8/s400/plante+4.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5338342341393200114" /></a><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_oazFFFbauBg/ShWaF_szAhI/AAAAAAAAAZM/hOn5MTC48Dc/s1600-h/plante2.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 300px;" src="http://2.bp.blogspot.com/_oazFFFbauBg/ShWaF_szAhI/AAAAAAAAAZM/hOn5MTC48Dc/s400/plante2.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5338342361106940434" /></a><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_oazFFFbauBg/ShWaF64dcpI/AAAAAAAAAZE/6MJmyN4yYfg/s1600-h/plante5.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 300px;" src="http://4.bp.blogspot.com/_oazFFFbauBg/ShWaF64dcpI/AAAAAAAAAZE/6MJmyN4yYfg/s400/plante5.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5338342359813681810" /></a><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_oazFFFbauBg/ShWaFubr8pI/AAAAAAAAAY8/5zEmj_TP5zI/s1600-h/plante1.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 300px;" src="http://1.bp.blogspot.com/_oazFFFbauBg/ShWaFubr8pI/AAAAAAAAAY8/5zEmj_TP5zI/s400/plante1.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5338342356471771794" /></a><div style="text-align: center;"><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_oazFFFbauBg/ShWaFT7pR4I/AAAAAAAAAY0/S0454aGq8As/s1600-h/plante3.jpg"><br /></a></div></div><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5663891265518612336-643376597678518046?l=fibonacci-nature.blogspot.com' alt='' /></div>Jean-Yves Piffardhttp://www.blogger.com/profile/07450545325771428178noreply@blogger.comtag:blogger.com,1999:blog-5663891265518612336.post-77292990751479401392009-05-14T16:10:00.016+02:002009-05-21T20:30:25.422+02:00<div style="text-align: center;"><br /></div><div style="text-align: center;"><span class="Apple-style-span" style="font-size:x-large;"><span class="Apple-style-span" style="color: rgb(153, 51, 0);"><span class="Apple-style-span" style="font-weight: bold;">Informatique et coeur de tournesol</span></span></span></div><div style="text-align: center;"><span class="Apple-style-span" style="color: rgb(153, 51, 0); font-weight: bold;font-size:24px;"><br /></span></div><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://3.bp.blogspot.com/_oazFFFbauBg/SgwtbO1cujI/AAAAAAAAAW8/aYRzrkNjozg/s1600-h/spirale+1.jpg"><img style="text-align: justify;display: block; margin-top: 0px; margin-right: auto; margin-bottom: 10px; margin-left: auto; cursor: pointer; width: 165px; height: 190px; " src="http://3.bp.blogspot.com/_oazFFFbauBg/SgwtbO1cujI/AAAAAAAAAW8/aYRzrkNjozg/s400/spirale+1.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5335689604389190194" /></a><span class="Apple-style-span" style="font-size:medium;"><div style="text-align: justify;"><br /></div></span><div style="text-align: justify;"><span class="Apple-style-span" style="font-size:medium;">Mon idée pour l'installation </span><span class="Apple-style-span" style=""><span class="Apple-style-span" style="font-weight: bold;"><span class="Apple-style-span" style=""><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;">"Au coeur du tournesol"</span></span></span></span></span><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;"> </span></span><span class="Apple-style-span" style="font-size:medium;">est de représenter à une grande échelle comment toutes les graines qui forment le capitule de la fleur sont disposées.</span></div><div style="text-align: justify;"><span class="Apple-style-span" style="font-size:medium;"><br /></span></div><div style="text-align: justify;"><span class="Apple-style-span" style="font-size:medium;"><br /></span></div><div><img style="text-align: justify;display: block; margin-top: 0px; margin-right: auto; margin-bottom: 10px; margin-left: auto; cursor: pointer; width: 320px; height: 317px; " src="http://lh5.ggpht.com/_oazFFFbauBg/SgwslHYAHJI/AAAAAAAAAW0/aWEaeNIp20A/s320/coeur+tournesol.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5335688674673695890" /></div><span class="Apple-style-span" style="font-size:medium;"><div style="text-align: justify;">Comment traduire ce qui est visible dans le coeur d'un tournesol en une représentation schématique de cette structure en forme de spirale.<br /></div></span><div style="text-align: justify;"><span class="Apple-style-span" style="font-size:medium;">Avec Internet j'ai fait des recherches et découvert des informations précieuses sur ce sujet publié par M. Jean-Luc Bovet un mathématicien en retraite qui habite dans le canton de Neuchâtel.</span></div><div style="text-align: justify;"><span class="Apple-style-span" style="font-size:medium;">J'ai fait sa rencontre, il m'a fait découvrir toute la complexité pour représenter tous les points qui créent cette forme en double spirale. Grâce à un logiciel que M. Bovet a mis au point j'ai pu obtenir cette forme pour construire mon installation. Grand merci à lui.</span></div><div style="text-align: justify;"><span class="Apple-style-span" style="font-size:medium;"><br /></span></div><div style="text-align: justify;"><span class="Apple-style-span" style="font-size:medium;"><br /></span></div><div><span class="Apple-style-span" style="color: rgb(0, 0, 238); "><img src="http://3.bp.blogspot.com/_oazFFFbauBg/SgwuF-wNn7I/AAAAAAAAAXE/ULODMT-ush4/s400/spirale+2.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5335690338806636466" style="text-align: justify;display: block; margin-top: 0px; margin-right: auto; margin-bottom: 10px; margin-left: auto; cursor: pointer; width: 284px; height: 400px; " /></span></div><div style="text-align: justify;"><span class="Apple-style-span" style="font-size:medium;"><br /></span></div><div style="text-align: justify;"><span class="Apple-style-span" style="font-weight: bold;"><span class="Apple-style-span" style="font-size:medium;"><span class="Apple-style-span" style="color: rgb(153, 51, 0);">La première étape de l'installation</span></span></span></div><div style="text-align: justify;"><span class="Apple-style-span" style="font-size:medium;"><br /></span></div><div style="text-align: justify;"><span class="Apple-style-span" style="font-size:medium;">j'ai choisi de réaliser un agrandissement de la structure ci-dessous à un diamètre de 7 mètres. Elle comporte plus de 730 points qui sont tous positionnés de manière rigoureuse pour obtenir l'effet visuel. </span></div><div style="text-align: justify;"><span class="Apple-style-span" style="font-size:medium;"><br /></span></div><div style="text-align: justify;"><span class="Apple-style-span" style="font-size:medium;"><br /></span></div><div><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_oazFFFbauBg/SgwuGEm-XjI/AAAAAAAAAXM/xjB59t-GN7g/s1600-h/spirale+3.jpg"><img src="http://1.bp.blogspot.com/_oazFFFbauBg/SgwuGEm-XjI/AAAAAAAAAXM/xjB59t-GN7g/s400/spirale+3.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5335690340378500658" style="text-align: justify;display: block; margin-top: 0px; margin-right: auto; margin-bottom: 10px; margin-left: auto; cursor: pointer; width: 397px; height: 400px; " /></a></div><div style="text-align: justify;"><span class="Apple-style-span" style="font-size:medium;"><br /></span></div><div style="text-align: justify;"><span class="Apple-style-span" style="color: rgb(153, 51, 0);"><span class="Apple-style-span" style="font-weight: bold;"><span class="Apple-style-span" style="font-size:large;">La deuxième étape</span></span></span></div><div style="text-align: justify;"><span class="Apple-style-span" style="font-size:medium;"><br /></span></div><div style="text-align: justify;"><span class="Apple-style-span" style="font-size:medium;">J'ai quadrillé la forme en section de 100 cm x 175 cm, puis découpé chaque section. J'ai calculé la cote de chaque point que j'ai reporté sur des bandes de plastique de 100 cm x 700 cm. Un grand merci à ma fille Maëlle qui m'a apporté une aide précieuse dans ce travail fastidieux.</span></div><div style="text-align: justify;"><br /></div><div style="text-align: justify;"><span class="Apple-style-span" style="font-size:medium;">Les bandes de plastique vont servir à positionner chaque point sur le sol.</span></div><div style="text-align: justify;"><br /></div><div style="text-align: justify;"><br /></div><div style="text-align: justify;"><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_oazFFFbauBg/Sgw76dCZPTI/AAAAAAAAAX0/8ES9FEDdV8w/s1600-h/70+x+70+blog.jpg"><img src="http://1.bp.blogspot.com/_oazFFFbauBg/Sgw76dCZPTI/AAAAAAAAAX0/8ES9FEDdV8w/s400/70+x+70+blog.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5335705533940317490" style="display: block; margin-top: 0px; margin-right: auto; margin-bottom: 10px; margin-left: auto; text-align: center; cursor: pointer; width: 400px; height: 400px; " /></a></div><div style="text-align: justify;"><br /></div><div style="text-align: justify;"><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_oazFFFbauBg/Sgw2zxzn3dI/AAAAAAAAAXc/iOzCDOYtQ70/s1600-h/image+1.jpg"><img src="http://1.bp.blogspot.com/_oazFFFbauBg/Sgw2zxzn3dI/AAAAAAAAAXc/iOzCDOYtQ70/s400/image+1.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5335699921698282962" style="display: block; margin-top: 0px; margin-right: auto; margin-bottom: 10px; margin-left: auto; text-align: center; cursor: pointer; width: 286px; height: 400px; " /></a></div><div style="text-align: justify;"><br /></div><div style="text-align: justify;"><br /></div><div style="text-align: justify;"><br /></div><div style="text-align: justify;"><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_oazFFFbauBg/Sgw4FXOlzwI/AAAAAAAAAXk/clIiwpilyZo/s1600-h/image+2.jpg"><img src="http://1.bp.blogspot.com/_oazFFFbauBg/Sgw4FXOlzwI/AAAAAAAAAXk/clIiwpilyZo/s400/image+2.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5335701323312910082" style="display: block; margin-top: 0px; margin-right: auto; margin-bottom: 10px; margin-left: auto; text-align: center; cursor: pointer; width: 400px; height: 268px; " /></a></div><div style="text-align: justify;"><br /></div><div style="text-align: justify;"><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_oazFFFbauBg/Sgw4Ff9yttI/AAAAAAAAAXs/Ia5K_GX9TFE/s1600-h/image+3.jpg"><img src="http://2.bp.blogspot.com/_oazFFFbauBg/Sgw4Ff9yttI/AAAAAAAAAXs/Ia5K_GX9TFE/s400/image+3.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5335701325658371794" style="display: block; margin-top: 0px; margin-right: auto; margin-bottom: 10px; margin-left: auto; text-align: center; cursor: pointer; width: 268px; height: 400px; " /></a></div><div style="text-align: justify;"><br /></div><div style="text-align: justify;"><span class="Apple-style-span" style="font-weight: bold;"><span class="Apple-style-span" style="color: rgb(153, 51, 0);"><span class="Apple-style-span" style="font-size:large;">La troisième étape</span></span></span></div><div style="text-align: justify;"><span class="Apple-style-span" style="font-size:medium;"><br /></span></div><div style="text-align: justify;"><span class="Apple-style-span" style="font-size:medium;">La troisième étape va se passer sur le terrain le lundi 15 et mardi 16 juin 2009 avec la mise en place de l'installation. Je n'en dis pas plus. </span></div><div style="text-align: justify;"><span class="Apple-style-span" style="font-size:medium;">Pour ceux qui veulent voir la réalisation de l'installation vous êtes les bienvenus. </span></div><div style="text-align: justify;"><span class="Apple-style-span" style="font-size:medium;">La partie technique horticole sur le terrain est faite avec la collaboration précieuse de M. Laurent Oppliger maître horticulteur et de Mme Elisabeth Oppliger horticultrice fleuriste, responsable des cultures et des serres du  jardin botanique de Neuchâtel. Voir chapitre "DES NOMBRES BIEN VIVANTS"</span></div><div style="text-align: justify;"><br /></div><div style="text-align: justify;"><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_oazFFFbauBg/Sgw8NNZZjMI/AAAAAAAAAX8/nl2dYtXNCsE/s1600-h/installation.jpg"><img src="http://4.bp.blogspot.com/_oazFFFbauBg/Sgw8NNZZjMI/AAAAAAAAAX8/nl2dYtXNCsE/s400/installation.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5335705856159354050" style="display: block; margin-top: 0px; margin-right: auto; margin-bottom: 10px; margin-left: auto; text-align: center; cursor: pointer; width: 400px; height: 268px; " /></a></div><div style="text-align: justify;"><br /></div><div style="text-align: justify;"><br /></div><div style="text-align: center;"><span class="Apple-style-span" style="color: rgb(0, 0, 238); text-decoration: underline;"><br /></span></div><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5663891265518612336-7729299075147940139?l=fibonacci-nature.blogspot.com' alt='' /></div>Jean-Yves Piffardhttp://www.blogger.com/profile/07450545325771428178noreply@blogger.comtag:blogger.com,1999:blog-5663891265518612336.post-64042643581599599582009-05-09T08:29:00.016+02:002009-05-21T20:23:19.196+02:00<div style="text-align: center;"><span class="Apple-style-span" style="font-weight: bold;"><span class="Apple-style-span" style="font-size:x-large;"><span class="Apple-style-span" style="color: rgb(153, 51, 0);">La suite de Fibonacci et la Nature</span></span></span></div><div style="text-align: center;"><span class="Apple-style-span" style="color: rgb(153, 51, 0); font-weight: bold;font-size:24px;"><br /></span></div><div><br /></div><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_oazFFFbauBg/SgUwHMpRReI/AAAAAAAAAWU/GsAvW5lSW-o/s1600-h/tournesol-1.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 305px; height: 400px;" src="http://1.bp.blogspot.com/_oazFFFbauBg/SgUwHMpRReI/AAAAAAAAAWU/GsAvW5lSW-o/s400/tournesol-1.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5333722233901762018" /></a><div style="text-align: justify;"><br /></div><div><p class="MsoNormal" style="text-align: justify;margin-bottom: 0.0001pt; line-height: normal; "><span class="Apple-style-span" style=" ;font-family:Arial;"><span class="Apple-style-span" style="font-size:medium;">Beaucoup d’espèces végétales arrangent certains de leurs éléments dans une disposition très précise et esthétiquement merveilleuse :</span></span><span class="Apple-style-span" style="font-size:medium;"><br /></span></p> <p class="MsoNormal" style="text-align: justify;margin-bottom: 0.0001pt; line-height: normal; "><span lang="FR-CH" style="font-family:Arial;"><span class="Apple-style-span" style="font-size:medium;">– Conifères : les écailles de leurs pives (helvétisme pour pomme de pin)</span><span class="Apple-style-span" style="font-size:medium;"><o:p></o:p></span></span></p> <p class="MsoNormal" style="text-align: justify;margin-bottom: 0.0001pt; line-height: normal; "><span lang="FR-CH" style="font-family:Arial;"><span class="Apple-style-span" style="font-size:medium;">– Tournesol : les graines sur le capitule</span><span class="Apple-style-span" style="font-size:medium;"><o:p></o:p></span></span></p> <p class="MsoNormal" style="text-align: justify;margin-bottom: 0.0001pt; line-height: normal; "><span lang="FR-CH" style="font-family:Arial;"><span class="Apple-style-span" style="font-size:medium;">– Cactus : leurs piquants</span><span class="Apple-style-span" style="font-size:medium;"><o:p></o:p></span></span></p> <p class="MsoNormal" style="text-align: justify;margin-bottom: 0.0001pt; line-height: normal; "><span lang="FR-CH" style="font-family:Arial;"><span class="Apple-style-span" style="font-size:medium;">– Ananas : leurs écailles</span><span class="Apple-style-span" style="font-size:medium;"><o:p></o:p></span></span></p> <p class="MsoNormal" style="text-align: justify;margin-bottom: 0.0001pt; line-height: normal; "><span lang="FR-CH" style="font-family:Arial;"><span class="Apple-style-span" style="font-size:medium;">– Artichauts : les fleurs sur le capitule</span><span class="Apple-style-span" style="font-size:medium;"><o:p></o:p></span></span></p> <p class="MsoNormal" style="text-align: justify;margin-bottom: 0.0001pt; line-height: normal; "><span lang="FR-CH" style="font-family:Arial;"><span class="Apple-style-span" style="font-size:medium;"> La liste n’est pas exhaustive. </span></span></p><p class="MsoNormal" style="text-align: justify;margin-bottom: 0.0001pt; line-height: normal; "><span class="Apple-style-span" style=" ;font-family:Arial;"><span class="Apple-style-span" style="font-size:medium;">Cette disposition n'est pas le fruit du hasard,  </span><span class="Apple-style-span" style="font-weight: bold;"><span class="Apple-style-span" style="color: rgb(255, 0, 0);"><span class="Apple-style-span" style="font-size:medium;">la suite mathématique de Fibonacci <span class="Apple-style-span" style="color: rgb(0, 0, 0);"><span class="Apple-style-span" style="font-weight: normal;">permet de comprendre cette logique de construction.</span></span></span></span></span></span></p><p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height:normal;mso-layout-grid-align:none;text-autospace:none"><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_oazFFFbauBg/SgUo1-d5TvI/AAAAAAAAAV8/Pn4wO9WtCG0/s1600-h/fibonacci_phyllotaxis.jpg"><img style="text-align: justify;display: block; margin-top: 0px; margin-right: auto; margin-bottom: 10px; margin-left: auto; cursor: pointer; width: 400px; height: 300px; " src="http://4.bp.blogspot.com/_oazFFFbauBg/SgUo1-d5TvI/AAAAAAAAAV8/Pn4wO9WtCG0/s400/fibonacci_phyllotaxis.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5333714241456787186" /></a></p><p class="MsoNormal" style="text-align: justify;margin-bottom: 0.0001pt; line-height: normal; "><span class="Apple-style-span" style=" ;font-family:Arial;"><span class="Apple-style-span" style="font-size:medium;">Si vous observez le coeur d'un tournesol, d'une pomme de pin ou d'un cactus, vous pourrez voir une structure en forme de double spirale. </span></span></p><p class="MsoNormal" style="text-align: justify;margin-bottom: 0.0001pt; line-height: normal; "><span class="Apple-style-span" style=" ;font-family:Arial;"><span class="Apple-style-span" style="font-size:medium;">Si l’on compte le nombre de spires dans un sens et dans l’autre, on constate avec une certaine stupéfaction qu’on tombe invariablement sur deux nombres consécutifs de la suite de Fibonacci: 1 1 2 3 5 8 13 21 34 55 89 144 ... et jamais sur d’autres nombres.</span></span></p><p class="MsoNormal" style="margin-bottom:0cm;margin-bottom:.0001pt;line-height:normal;mso-layout-grid-align:none;text-autospace:none"><span lang="FR-CH" style="font-family:Arial;"><span class="Apple-style-span" style=" ;font-family:Georgia;"><span class="Apple-style-span" style=" ;font-family:Arial;"><span class="Apple-style-span" style="font-size:medium;"><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"></a></span><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_oazFFFbauBg/SgUwiHShKbI/AAAAAAAAAWk/VIAdRpGckOE/s1600-h/pinecone3yellow.gif"><img style="text-align: justify;display: block; margin-top: 0px; margin-right: auto; margin-bottom: 10px; margin-left: auto; cursor: pointer; width: 285px; height: 279px; " src="http://1.bp.blogspot.com/_oazFFFbauBg/SgUwiHShKbI/AAAAAAAAAWk/VIAdRpGckOE/s400/pinecone3yellow.gif" border="0" alt="" id="BLOGGER_PHOTO_ID_5333722696320625074" /></a><span class="Apple-style-span" style="font-size:medium;"><div style="text-align: justify;"><br /></div></span><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_oazFFFbauBg/SgUwd-R_gcI/AAAAAAAAAWc/zGrFnX_aO2U/s1600-h/pinecone3green.gif"><img style="text-align: justify;display: block; margin-top: 0px; margin-right: auto; margin-bottom: 10px; margin-left: auto; cursor: pointer; width: 285px; height: 279px; " src="http://2.bp.blogspot.com/_oazFFFbauBg/SgUwd-R_gcI/AAAAAAAAAWc/zGrFnX_aO2U/s400/pinecone3green.gif" border="0" alt="" id="BLOGGER_PHOTO_ID_5333722625183023554" /></a></span></span></span></p><p class="MsoNormal" style="text-align: justify;margin-bottom: 0.0001pt; line-height: normal; "><span class="Apple-style-span" style="font-family:Arial;"><br /></span></p><p class="MsoNormal" style="text-align: justify;margin-bottom: 0.0001pt; line-height: normal; "><span class="Apple-style-span" style=" ;font-family:Arial;"><span class="Apple-style-span" style="font-size:medium;">La suite de Fibonacci commence par deux 1 et chaque terme ultérieur est la somme des deux précédents.</span></span></p><p class="MsoNormal" style="text-align: center;margin-bottom: 0.0001pt; line-height: normal; "><span class="Apple-style-span" style=""><span class="Apple-style-span" style=""><span class="Apple-style-span" style="color: rgb(153, 51, 0);"><span class="Apple-style-span" style="font-size:large;">Pour en savoir plus sur la Suite de Fibonacci voir dans les liens</span></span></span></span></p><p class="MsoNormal" style="text-align: justify;margin-bottom: 0.0001pt; line-height: normal; "><span class="Apple-style-span" style=" ;font-family:Arial;"><span class="Apple-style-span" style="font-size:large;"><br /></span></span></p><p class="MsoNormal" style="text-align: justify;margin-bottom: 0.0001pt; line-height: normal; "><span class="Apple-style-span" style=" ;font-family:Arial;"><span class="Apple-style-span" style="font-size:large;"><br /></span></span></p><p class="MsoNormal" style="text-align: justify;margin-bottom: 0.0001pt; line-height: normal; "><span class="Apple-style-span" style=" ;font-family:Arial;"><span class="Apple-style-span" style="font-size:large;"><br /></span></span></p> <!--EndFragment--> </div><div style="text-align: justify;"><br /></div><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5663891265518612336-6404264358159959958?l=fibonacci-nature.blogspot.com' alt='' /></div>Jean-Yves Piffardhttp://www.blogger.com/profile/07450545325771428178noreply@blogger.comtag:blogger.com,1999:blog-5663891265518612336.post-27118331089789420582009-05-09T08:20:00.014+02:002009-05-21T20:23:42.345+02:00<div style="text-align: justify;"><br /></div><div style="text-align: justify;"><br /></div><div style="text-align: justify;"><span class="Apple-style-span" style="font-size:medium;">En 2007, j'ai commencé un projet d'une installation sur le thème du rapport entre la suite de Fibonacci et la Nature.</span></div><div style="text-align: justify;"><span class="Apple-style-span" style="font-size:medium;"><br /></span></div><div style="text-align: justify;"><span class="Apple-style-span" style="font-size:medium;">En 2008 j'ai proposé mon installation à l'Association Des Amis du Jardin botanique de l'Ermitage</span><span class="Apple-style-span" style="-webkit-border-horizontal-spacing: 2px; -webkit-border-vertical-spacing: 2px; font-family:Verdana;"><span class="Apple-style-span" style="font-size:medium;"> (ADAJE)</span></span><span class="Apple-style-span" style="font-size:medium;"> qui s'occupe des manifestations artistiques dans le jardin botanique de Neuchâtel . <br /></span></div><div style="text-align: justify;"><span class="Apple-style-span" style="font-size:medium;"><br /></span></div><div style="text-align: justify;"><span class="Apple-style-span" style="font-size:medium;">J'ai reçu une réponse positive de L'ADAJE et M. Felber, le directeur du jardin botanique de Neuchâtel avec la proposition de créer cette installation dans le cadre de la troisième édition de </span><span class="Apple-style-span" style="color: rgb(255, 102, 0);"><span class="Apple-style-span" style="font-size:medium;">BOTANICA. </span></span></div><div style="text-align: justify;"><span class="Apple-style-span" style="font-size:medium;"><br /></span></div><div style="text-align: justify;"><span class="Apple-style-span" style="font-style: italic;"><span class="Apple-style-span" style="font-weight: bold;"><span class="Apple-style-span" style="font-size:medium;">La semaine des jardins botaniques du 15 au 21 juin 2009. </span></span></span></div><div style="text-align: justify;"><span class="Apple-style-span" style="font-size:medium;"><br /></span></div><div style="text-align: justify;"><span class="Apple-style-span" style="font-size:medium;">Ainsi cette installation trouve sa place dans le cadre des manifestations festives organisé par le jardin botanique de Neuchâtel et l'ADAJE.</span></div><div style="text-align: justify;"><span class="Apple-style-span" style="font-size:medium;"><br /></span></div><div style="text-align: justify;"><span class="Apple-style-span" style="font-size:medium;">Cette installation aura pour nom </span><span class="Apple-style-span" style="color: rgb(255, 102, 0); "><span class="Apple-style-span" style="font-weight: bold; "><span class="Apple-style-span" style="font-size:medium;">"Au coeur du tournesol"</span></span></span><span class="Apple-style-span" style="font-size:medium;"><br /></span></div><br /><a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_oazFFFbauBg/Sgwls9Iik0I/AAAAAAAAAWs/aaREiPooG6g/s1600-h/botanica.jpg"><img style="display:block; margin:0px auto 10px; text-align:center;cursor:pointer; cursor:hand;width: 400px; height: 313px;" src="http://4.bp.blogspot.com/_oazFFFbauBg/Sgwls9Iik0I/AAAAAAAAAWs/aaREiPooG6g/s400/botanica.jpg" border="0" alt="" id="BLOGGER_PHOTO_ID_5335681112782050114" /></a><div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/5663891265518612336-2711833108978942058?l=fibonacci-nature.blogspot.com' alt='' /></div>Jean-Yves Piffardhttp://www.blogger.com/profile/07450545325771428178noreply@blogger.com