Archive: 14/11/2007

Wormholes on Earth?

According to a group of mathematicians, it may be possible to create devices with internal tunnels that are invisible to detection by electromagnetic waves—wormholes, in a sense. The group discusses the idea in a paper ...

dateNov 14, 2007 in General Physics feature
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Google meets Sherlock Holmes

Soon after 9-11, Americans wondered aloud: How did our guardians miss the clues? Suspects on watch lists had moved money in curious ways. “Chatter” had risen in recent months. A visitor to the country had offered cash ...

dateNov 14, 2007 in Computer Sciences
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