The same mathematicians who last year introduced the world’s first “invisibility cloak” have a new show for 2007: Wormholes on Earth!
A “wormhole” is a short-cut in the fabric of space-time, a hypothetical tunnel that could carry you light-years away—or back in time. Or both. A time machine! A transporter! (You can picture a worm crawling along the surface of an apple, and suddenly realizing, hey! I can get to other side faster if I just dig a hole through the middle!)
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