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experimental physics

particle physics

In Hunt for Dark Matter, Promises to Keep?

July 18, 2013

Whispers of the elusive particles are becoming stronger with a series of signals that appear to be zeroing in on a leading contender.

time

Perpetual Motion Test Could Amend Theory of Time

April 25, 2013

A radical theory predicting the existence of “time crystals” — perpetual motion objects that break the symmetry of time — is being put to the test.