Physics - General Physics news

Atomic timekeeping, on the go

What time is it? The answer, no matter what your initial reference may be—a wristwatch, a smartphone, or an alarm clock—will always trace back to the atomic clock.

Nov 12, 2014
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An air cushion for falling droplets

Falling droplets bounce as many as fifteen times before they come to rest on a flat surface. In the past, it was believed that this phenomenon is limited to water drops on superhydrophobic surfaces.

Nov 11, 2014
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