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         </table></div></td>         <td width="468" height="88" rowspan="2" bgcolor="#A00000"><table border="0"              cellpadding="0" cellspacing="0" width="468" height="88">                 <tr>                     <td width="481"><p align="center"><iframe height="60" width="468"                          marginwidth="0" marginheight="0" hspace="0" vspace="0"                          frameborder="0" scrolling="no" bordercolor="#000000"                          src="http://fl01.ct2.comclick.com/aff_frame.ct2?id_regie=1&amp;num_editeur=4734&amp;num_site=1&amp;num_emplacement=1">                          <script language="JavaScript" type="text/JavaScript"                          src="http://fl01.ct2.comclick.com/aff_js_src.ct2?id_regie=1&amp;num_editeur=4734&amp;num_site=1&amp;num_emplacement=1"></script>  <noscript>                         <a href="http://fl01.ct2.comclick.com/click_url.ct2?id_regie=1&num_editeur=4734&num_site=1&num_emplacement=1"                          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width="15" height="60" border="0" alt="onglet_pub.gif"></td>                                 <td width="90" height="60" align="center" valign="top"><p><iframe                                      height="60" width="90" marginwidth="0" marginheight="0"                                      hspace="0" vspace="0" frameborder="0" scrolling="no"                                      bordercolor="#000000" src="http://fl01.ct2.comclick.com/aff_frame.ct2?id_regie=1&amp;num_editeur=4734&amp;num_site=1&amp;num_emplacement=2">                                      <script language="JavaScript" type="text/JavaScript"                                      src="http://fl01.ct2.comclick.com/aff_js_src.ct2?id_regie=1&amp;num_editeur=4734&amp;num_site=1&amp;num_emplacement=2"></script>  <noscript>                                     <a href="http://fl01.ct2.comclick.com/click_url.ct2?id_regie=1&num_editeur=4734&num_site=1&num_emplacement=2"                                      target="_blank"><img 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background="cadre/tile[1].gif"><p>&nbsp;</td>         <td valign="top" background="cadre/tile[1].gif"><div align="left"><table              border="0" cellpadding="10" cellspacing="0">                 <tr>                     <td colspan="3"><p align="center">&nbsp;<font face="Tahoma"                          size="4"><b>Bombe atomique (1945)</b></font></td>                 </tr>                 <tr>                     <td colspan="3"><p align="justify"><font face="Tahoma" size="4">La                          bombe atomique (bombe A) est luvre dune &eacute;quipe                          de savants am&eacute;ricains men&eacute;e par Arthur                          H. Compton, Robert Oppenheimer, Enrico Fermi et L&eacute;o                          Szilard. Elle explosa pour la premi&egrave;re fois (&agrave;                          titre exp&eacute;rimental) le 16 juillet 1945, &agrave;                          Alamogordo, &agrave; 350 km au sud de Los Alamos (Nouveau-Mexique).                          Cest une lettre &eacute;crite par Albert Einstein au                          Pr&eacute;sident Roosevelt le 2 ao&ucirc;t 1939 qui                          d&eacute;cida les Etats-Unis &agrave; entreprendre la                          r&eacute;alisation dune bombe atomique.<br> Le 6 ao&ucirc;t                          1945, une bombe &agrave; uranium 235 &eacute;tait lanc&eacute;e                          sur Hiroshima. Elle fit 157 071 victimes (dernier chiffre                          recens&eacute; au 6 ao&ucirc;t 1989). Le 9 ao&ucirc;t,                          une bombe au plutonium an&eacute;antit Nagasaki. Le                          Japon capitula, la Seconde Guerre mondiale sacheva,                          mais la terreur dune guerre nucl&eacute;aire sinstallait.</font></td>                 </tr>                 <tr>                     <td><p>&nbsp;</td>                     <td><p>&nbsp;                          <ul>                             <div align="center"><table border cellpadding="0"                              cellspacing="0" bordercolor="gray">                                     <tr>                                         <td width="190"><p><img src="image/bomb-atom-26th3d64.gif"                                          width="350" height="245" border="0"                                          alt="bomb-atom-26th3d64.gif"></td>                                 </tr>                             </table></div></td>                         <td><p>&nbsp;</td>                 </tr>                 <tr>                     <td><p>&nbsp;</td>                     <td><p>&nbsp;</td>                     <td><p>&nbsp;</td>                 </tr>                 <tr>                     <td><p>&nbsp;</td>                     <td><p>&nbsp;</td>                     <td><p>&nbsp;</td>                 </tr>             </table></div></td>     </tr> </table></div> <div align="center"><table border="0" cellpadding="0" cellspacing="0" width="748">     <tr>         <td width="130" align="left" bgcolor="#A00000"><p>&nbsp;</td>         <td width="11" align="left" valign="bottom" bgcolor="#A00000" background="cadre/tile[1].gif"><p><img src="cadre/navbasbghaut.gif"              width="11" height="11" border="0" alt="navbasbghaut.gif"></td>         <td width="572" align="left" bgcolor="#A00000" background="cadre/tile[1].gif"><p              align="center">&nbsp;</td>         <td width="36" align="right" bgcolor="#A00000" background="cadre/tile[1].gif"><p><img src="cadre/navbashd.gif"              width="35" height="39" border="0" alt="navbashd.gif"></td>     </tr> </table></div> <div align="center"><table border="0" cellpadding="0" cellspacing="0" width="748">     <tr>         <td bgcolor="#A00000"><p>&nbsp;</td>         <td bgcolor="#A00000"><p>&nbsp;</td>         <td bgcolor="#A00000"><p>&nbsp;</td>     </tr> </table></div> <div align="center"><table border="0" cellpadding="0" cellspacing="0" width="748">     <tr>         <td align="left" bgcolor="#A00000"><p><img src="cadre/navbasbg.gif" width="21"              height="21" border="0" alt="navbasbg.gif"></td>         <td bgcolor="#A00000"><p>&nbsp;</td>         <td align="right" bgcolor="#A00000"><p><img src="cadre/navbasbd.gif"              width="21" height="21" border="0" alt="navbasbd.gif"></td>     </tr> </table></div><map name="navmap"> <area shape="rect" coords="5, 13, 104, 51" href="http://eurekaweb.free.fr/"> <area shape="rect" coords="7, 52, 104, 104" href="http://eurekaweb.free.fr/invh1.htm"> <area shape="rect" coords="5, 105, 104, 160" href="http://eurekaweb.free.fr/inva.htm"> <area shape="rect" coords="5, 160, 103, 212" href="http://eurekaweb.free.fr/invd1.htm">   <area shape="rect" coords="5, 213, 103, 243" href="http://eurekaweb.free.fr/forum/index.php3"> <area shape="rect" coords="5, 244, 104, 275" href="http://eurekaweb.free.fr/chat/index.php3"> <area shape="rect" coords="6, 274, 103, 304" href="http://eurekaweb.free.fr/quiz.htm"> <area shape="rect" coords="7, 304, 104, 335" href="http://eurekaweb.free.fr/outlook.htm"> </map>  </body>  </html> 
