= William E. Burrows =
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== The Survival Imperative ==
=== Using Space to Protect Earth ===
=== Central 629.4 B972s 2006 ===
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 .read cover to cover ... interesting with some flakey thought
 .p170 Dyson energy collecting "spheres" 
   . SSPS a "reflective panel" the size of Manhattan beaming energy to six*seven mile rectenna
   . Martin I. Hoffert physicist NYU, Sun in space is 8 to 10 times greater because of atmosphere, rotation, and cloud cover
   . Helium 3 from Moon
 .p196 Ray Eriksen (Massachutsetts aerospace engineer) touts space elevator, reducing cost from $10K to $100   
 .p223 No lunar ore, He3 again
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== The Asteroid Threat ==
=== Defending Our Planet from Deadly Near-Earth Objects ===
=== Central 551.397 B9729a 2014 ===
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I prefer more numbers and less chat.  No time to read, back to the library.