Matryoshka World

Thursday, May 31, 2012

Scientific American: How a plan for a faster than light communication device led to a breakthrough in understanding quantum mechanics

Scientific American has an interesting blog post on Nick Herbert's attempt to create a faster than light communication device several decades ago that led to the discovery of the "no-cloning theorem": which states an arbitrary or unknown quantum state cannot be copied without disturbing the original state. 

The Faster-Than-Light Telegraph That Wasn't


Friday, May 25, 2012

Monday, May 21, 2012

Brian Greene: Welcome to the Multiverse

Brian Greene has an article in Newsweek about the possibility of a multiverse.

   Welcome to the Multiverse