回複：被7歲兒子的一個問題難住了

Stephen has an lecture about origin of universe

http://www.ralentz.com/old/astro/hawking-1.html

 

interesting website that discuss physics

http://www.physicsforums.com/showthread.php?t=79248

所有跟帖： 

• Do you really think he knows the answer? -392- ♂ (25 bytes) () 08/16/2012 postreply 15:51:43