Researchers turn to Twitter in the search for time travelers

Whether or not time travel is even physically possible remains to be seen. But researchers at Michigan Technological University have already started scouring the internet for evidence that we've been visited by tourists from the future. The theory is that anyone who has moved backwards through space-time may have left their mark by tweeting, updating Facebook or posting on Google

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Researchers 3D-print a fully functional loudspeaker

A team from Cornell University has managed to 3D-print an entire speaker -- coils, magnets, and all.

by Michelle Starr December 17, 2013 1:27 PM PST

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