“ Then...what IS a crime, if not that? A law may or may not be ill-conceived (and is certainly not the same thing in all times and places), but a... (read full comment) ”
Posted on January 29, 2012 at 12:40 AM EST
“ Parachute-alone descent to the sea means saltwater immersion issues. Parachute-alone descent to land (without airbags, terminal rockets, etc.) can... (read full comment) ”
Posted on October 14, 2011 at 9:25 PM EDT
“ At the *operational* (never mind the developmental) costs of SLS, no small country will want it, be able to afford it, or be likely to have... (read full comment) ”
Posted on September 17, 2011 at 7:37 AM EDT
“ If yours is not a landlocked country with no seacoast, of course... (read full comment) ”
Posted on August 8, 2011 at 6:49 PM EDT
“ "Rocket propulsion has always been slow, expensive, dangerous and primitive. Throwing stuff out the back in order to move foward is a pathetic way... (read full comment) ”
Posted on July 9, 2011 at 2:40 PM EDT
“ "SpaceX does that with COTS/CRS funds paid by american taxpayers that have all rights to know how their money are spent" Remember that, when you... (read full comment) ”
Posted on September 4, 2010 at 9:35 PM EDT
“ At this time, there's no commercial need for a nuclear-thermal rocket, whether solid or gas core. NASA would be the only US customer (okay, maybe,... (read full comment) ”
Posted on July 28, 2010 at 7:37 PM EDT
“ But if you want to keep doing it (or any other significant human activities in space), you still need a 'truck' to LEO. (or believe we can somehow... (read full comment) ”
Posted on April 25, 2010 at 10:48 PM EDT
“ There's a limit to how fast you can make an airship go no matter what's pushing it, and props are efficient at those speeds. It wouldn't help. ... (read full comment) ”
Posted on March 7, 2010 at 6:21 PM EST
“ Newton's Third Law works, and is demonstrated every day. If you've got something better, it must pass the 'Missouri Test.' (Show me) We can... (read full comment) ”
Posted on February 5, 2010 at 8:58 PM EST
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