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News and Updates

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SF6 Shows Promise as Mercury Substitute

Elemental mercury – which is being phased out of commercial thermometers worldwide due to safety concerns – may also be replaced as a temperature reference

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

HID Lamps: Getting Brighter Faster

NIST has been issued a patent for a novel method to improve the performance and utility of the sort of high-intensity discharge (HID) lamps used for stadium and
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