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Displaying 251 - 275 of 544

The New Standard for Resistance Standards?

Contrary to the popular maxim, resistance is not futile. But it is quantized: The ratings of the heat-making resistors in your hair dryer or toaster ultimately...

A Faster Way to Calibrate Piston Gauges

For industry and government labs to ensure their pressure-measurement machines are working correctly, they need a reliable source of pressure. Often, that...

Supercomputing: Probing the Future

NIST scientists have developed a novel automated probe system for evaluating the performance of computer components designed to run 100 times faster than today...

Measuring Acceleration with Light

Most people have never seen an accelerometer -- a device that measures change in velocity -- and wouldn’t know where to look. Yet accelerometers have become...

Noise, Temperature, and the New SI

NIST has recently made substantial improvements to its Johnson-noise thermometry system, which is playing a vital role in the worldwide effort to determine the...
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