Friday, May 21, 2010

Friday, May 07, 2010

Monday, May 03, 2010

Sunday, May 02, 2010

How to build a time machine

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STEPHEN HAWKING: How to build a time machine

"All you need is a wormhole, the Large Hadron Collider or a rocket that goes really, really fast."

Saturday, May 01, 2010