Kip Thorne - What is Space-Time?

source: Closer To Truth     2013年2月5日
For more videos and information from Kip Thorne click here http://bit.ly/1DpWJQU
For more videos on what space-time is, click here http://bit.ly/1Ib48EX
To buy episodes of Closer To Truth click here http://bit.ly/1LUPlQS
How could space and time be literally the same thing? How would spacetime change our understanding of space and time?