<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/09e7e884-e938-4e8b-9548-c3ad82002b76/4B8384C8-D76C-48A5-94CB-C55DBCAC8EB6/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.activemind.com/Mysterious/Topics/SETI/drake_equation.html" href="http://www.activemind.com/Mysterious/Topics/SETI/drake_equation.html" style="font-size: 11px;">www.activemind.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.activemind.com/Mysterious/Topics/SETI/drake_equation.html"><H1 align="center">N = N<FONT size="+1">*</FONT> f<FONT size="+1">p</FONT> n<FONT size="+1">e</FONT> f<FONT size="+1">l</FONT> f<FONT size="+1">i</FONT> f<FONT size="+1">c</FONT> f<FONT size="+0">L</FONT></H1></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.activemind.com/Mysterious/Topics/SETI/drake_equation.html"><DT><B><FONT size="+2">N</FONT>*</B> represents the number of stars in the Milky Way Galaxy</DT></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.activemind.com/Mysterious/Topics/SETI/drake_equation.html"><DT><B><FONT size="+2">f</FONT>p</B> is the fraction of stars that have planets around them</DT></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.activemind.com/Mysterious/Topics/SETI/drake_equation.html"><DT><B><FONT size="+2">n</FONT>e</B> is the number of planets per star that are capable of sustaining life</DT></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.activemind.com/Mysterious/Topics/SETI/drake_equation.html"><DT><B><FONT size="+2">f</FONT>l</B> is the fraction of planets in <B><FONT size="+2">n</FONT>e</B> where life evolves</DT></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.activemind.com/Mysterious/Topics/SETI/drake_equation.html"><DT><B><FONT size="+2">f</FONT>i</B> is the fraction of <B><FONT size="+2">f</FONT>l</B> where intelligent life evolves</DT></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.activemind.com/Mysterious/Topics/SETI/drake_equation.html"><DT><B><FONT size="+2">f</FONT>c</B> is the fraction of <B><FONT size="+2">f</FONT>i</B> that communicate</DT></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.activemind.com/Mysterious/Topics/SETI/drake_equation.html"><DT><B><FONT size="+2">f</FONT>L</B> is fraction of the planet's life during which the communicating civilizations live</DT></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.activemind.com/Mysterious/Topics/SETI/drake_equation.html"><DT><B><FONT size="+2">N</FONT></B>, the number of communicating civilizations in the galaxy.</DT></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.activemind.com/Mysterious/Topics/SETI/drake_equation.html"><P>Try your hand at the Drake Equation. For each variable choose what you think is the best answer from the combo box. After you've chosen all your answers press the calculate button and see how many communicating civilizations you think there are in the galaxy. </P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.activemind.com/Mysterious/Topics/SETI/drake_equation.html"><H5 align="center"> <HR width="100%" /> [ <A href="http://www.activemind.com/Mysterious/index.html" linkindex="10">Site Home Page</A> || <A href="http://www.activemind.com/Mysterious/index.html#Contents" linkindex="11">Site Contents</A> || <A href="http://www.activemind.com/Mysterious/Topics/SETI/index.html#Top" linkindex="12">Top of SETI Home Page</A> || <A href="http://www.activemind.com/Mysterious/Topics/SETI/index.html#Contents" linkindex="13">SETI Contents</A> ] <HR width="100%" /> </H5></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/4B8384C8-D76C-48A5-94CB-C55DBCAC8EB6/blog/" title="blog or email this clip"><img src="http://content6.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

New from the makers of Clipmarks:  Amplify.com - Don't just share the news...Amplify it!