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Quantum Spin Squeezing Gets Real

Today's atomic clocks are ridiculously accurate. The best of them tell time so well that if they had been running since the Big Bang, by now they would not have

Better Accuracy Out of Thin (or Thick) Air

NIST scientists have devised and improved a prototype instrument the size of a loaf of bread that can substantially increase the accuracy of length measurements

Shedding Light on Dark Matter with SQUIDs

Perhaps fortunately, most folks haven't noticed that 85% of the Milky Way is missing: The kind of familiar, ordinary matter we know – made up of protons