<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=utf-8"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72" style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b>From:</b> extropy-chat <extropy-chat-bounces@lists.extropy.org> <b>On Behalf Of </b>William Flynn Wallace via extropy-chat<br><b>Sent:</b> Friday, April 9, 2021 8:46 AM<br><b>To:</b> ExI chat list <extropy-chat@lists.extropy.org>; extropolis@googlegroups.com<br><b>Cc:</b> William Flynn Wallace <foozler83@gmail.com><br><b>Subject:</b> [ExI] Packing for Mars<o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal><span style='font-size:18.0pt;font-family:"Comic Sans MS";color:black'>This 2010 book is the usual very funny report on astronaut training, just about all of which I was ignorant of. </span><span style='font-size:18.0pt;font-family:"Comic Sans MS"'>…<span style='color:black'> bill </span>w<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:18.0pt;font-family:"Comic Sans MS"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:18.0pt;font-family:"Comic Sans MS"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:18.0pt;font-family:"Comic Sans MS"'>Billw, regarding the Packing for Mars book, is it about standard astronaut training or is it specifically about training for Mars? This is a critical difference, because the weight calculations are still telling us that any trip to the Mars surface with humans is one-way. We have no currently-known technology for getting back up to Mars orbit from the surface. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:18.0pt;font-family:"Comic Sans MS"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:18.0pt;font-family:"Comic Sans MS"'>spike<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:18.0pt;font-family:"Comic Sans MS"'><o:p> </o:p></span></p></div></div></div></body></html>