January 15, 2008
Black Time?

Recent discoveries about supermassive black holes seem to suggest they spin at nearly the speed of light. One of the funnier stories I was told by a physics student in college was that Einstein's theory of relativity actually suggests it's quite easy to make a time machine. One simply needs to spin a mass more than tens times that of the sun to more than 90% the speed of light. Spacetime gets so twisted by this object time becomes another direction in which one can travel.

Well, here's our object. Is it a time machine, or was I just told a silly story by someone who was better at math than he was at science?

Posted by scott at January 15, 2008 12:13 PM

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One way to find out. Let's put Hillary in a space ship and launch her in the direction...

Posted by: Ron on January 15, 2008 01:27 PM
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