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Perpetual Motion Test Could Amend Theory of Time
Physicists plan to create a "time crystal"a theoretical object that moves in a repeating pattern without using energyinside a device called an ion trap.
Credit: Hartmut Hffner
In February 2012, the Nobel Prize-winning physicist Frank Wilczek decided to go public with a strange and, he worried, somewhat embarrassing idea.
From Simons Science News
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