“ Many worlds, many lives Consider someone living in the multiverse. As time passes this person dies in some universes but not others. One would... (read full comment) ” 

Posted on May 23, 2011 at 10:26 AM EDT

“ Quantum Rocket Engine If it's possible to teleport energy (1/2)*mv^2, then it must be possible to teleport momentum (mv). Of course conservation... (read full comment) ” 

Posted on January 3, 2011 at 10:01 PM EST

“ FTL Communication? If it's true that information can be transmitted faster than light, it would explain the failure of the SETI project to detect... (read full comment) ” 

Posted on December 25, 2010 at 9:38 AM EST

“ Life as an Emergent Property I think some of you are missing the power and elegance of this result. The result, that life is an emergent property... (read full comment) ” 

Posted on December 2, 2010 at 7:26 PM EST

“ Virtual Environmentalism This is not so much a problem in understanding as it is a problem in deliberate misinformation to serve political ends.... (read full comment) ” 

Posted on November 2, 2010 at 5:54 PM EDT