Sunday 12 June 2011

Dr. Kaku's Universe | Big Think


http://bigthink.com/blogs/dr-kakus-universe
Currently, the most popular time-travel theory involves wormholes, or tunnels through the fabric of space and time. If you were to tow one end of a wormhole into space close to the speed of light, then return that end to Earth, you would theoretically be able to enter the wormhole today and come out of the other end in yesterday...

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