<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><span style="font-family:arial,sans-serif">On Sat, Aug 22, 2015 Keith Henson </span><span dir="ltr" style="font-family:arial,sans-serif"><<a href="mailto:hkeithhenson@gmail.com" target="_blank">hkeithhenson@gmail.com</a>></span><span style="font-family:arial,sans-serif"> wrote:</span><br></div><div class="gmail_extra"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"></blockquote><br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;display:inline">> </div> If they are a social species, then the range in which they<div class="gmail_default" style="font-family:arial,helvetica,sans-serif;display:inline"> </div>can interact with others of the civilization shrinks dramatically. <br>
made a case in an article you have seen that a civ will have to shrink<div class="gmail_default" style="font-family:arial,helvetica,sans-serif;display:inline"> </div>to 300 meters or less depending on how much the culture speeds up.<br></blockquote><br><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;display:inline">All true, b</div>ut even in a social species some individuals are going to be more social than others, it seems likely that some ET Daniel Boone<div class="gmail_default" style="font-family:arial,helvetica,sans-serif;display:inline"> would set off into the wilderness a mile or two away and start his own civilization. </div> <blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
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<div class="gmail_default" style="font-family:arial,helvetica,sans-serif;display:inline">> i</div>f they were sunk in the deep oceans of Earth like planets, we would<div class="gmail_default" style="font-family:arial,helvetica,sans-serif;display:inline"> </div>never see them.</blockquote><div>
<p class=""></p><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;display:inline">ET might decide to move to the sea after technology was developed, but </div>I think it would be almost impossible for sea creatures, however smart, to develop technology. The laws of Newtonian Physics were hard enough to discover for humans who lived in <div class="gmail_default" style="font-family:arial,helvetica,sans-serif;display:inline">an</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;display:inline"></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;display:inline"></div> atmosphere not a vacuum, but it would be astronomically harder under water; there <div class="gmail_default" style="font-family:arial,helvetica,sans-serif;display:inline">it would look like </div>things NEVER move at the same speed unless a force is constantly applied, and intelligent fish wouldn't have the motions of the stars and planets to help them figure out basic physics. Even humans would never have discovered Quantum Mechanics if they hadn't figured out a way to make a vacuum first. And intelligent fish would lack one of the first and most important inventions, fire<div class="gmail_default" style="font-family:arial,helvetica,sans-serif;display:inline">. And without fire you couldn't make iron tools, or even bronze, or even copper. </div><p></p><p class=""></p><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;display:inline"> John K Clark</div><p></p><p class=""></p><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;display:inline"><br></div><p></p></div><div><br></div><div><br></div></div></div></div>