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National Institute of Standards and Technology

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NIST promotes U.S. innovation & competitiveness by advancing measurement science, standards & tech to enhance economic security & improve our quality of life.

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What’s that dried powder? It’s NIST’s domestic sludge SRM. Each bottle contains 40 grams of dried, pulverized domestic sludge. Scientists use the SRM to verify their measurements and calibrate their tests for detecting heavy metals (like lead) in their sludge samples.

What’s that dried powder? It’s NIST’s domestic sludge SRM. Each bottle contains 40 grams of dried, pulverized domestic sludge. Scientists use the SRM to verify their measurements and calibrate their tests for detecting heavy metals (like lead) in their sludge samples.

93,055 görüntüleme

NIST researchers and their colleagues have demonstrated a method to distinguish century-old coins from fakes by imaging antique coins with beams of low-energy neutrons.

NIST researchers and their colleagues have demonstrated a method to distinguish century-old coins from fakes by imaging antique coins with beams of low-energy neutrons.

20,254 görüntüleme

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NIST weighs in on the universal gravitational constant, deepening a centuries-old mystery 🔗
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NIST weighs in on the universal gravitational constant, deepening a centuries-old mystery 🔗

National Institute of Standards and Technology

12,335 görüntüleme • 1 ay önce

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