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The Incredible Shrinking ESR Machine

Researchers at the National Institute of Standards and Technology (NIST) have come up with a way to shrink a research instrument generally associated with large...

Four PML Scientists Honored

In recent days, four scientists in the Physical Measurement Laboratory (PML) of the National Institute of Standards and Technology (NIST) have been recognized...

Today, Pause for a Second

For the great majority of human history, the earth's rotation—the apparent motion of the sun and stars across the sky—kept time far more precisely than any...

Vacuum Fluctuations: Measuring the Unreal

In this universe, anything that can vibrate will vibrate, and no oscillator is ever truly at rest. Even when an object such as an atom or subatomic particle is...

Reading the Secrets of Ancient Light

Much of what we know about the origin and early history of the universe comes from a phenomenon discovered by accident 50 years ago: The cosmic microwave...
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