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The AD-X2 Controversy
The AD-X2 Controversy
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The AD-X2 Controversy

In the 1940s and ’50s, amid a booming economy and rapid scientific progress, a charismatic salesman sought to make his fortune with a chemical additive, AD-X2, that he claimed would revolutionize the car battery business. When tests from a prominent scientific agency showed that the additive was worthless, its director had to battle public opinion and political pressure to defend the importance of scientific integrity. More Info:www.nist.gov/ad-x2

A hand in a purple glove turns a metal dial on a plate holding tiny vials of purple liquid.
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Optical Coherence Tomography

Researchers used a noninvasive and label-free method called optical coherence tomography to assess the live cells in the 3D scaffold system. OCT is an imaging technique that uses light waves to take cross sectional images of a sample.

Latest From Taking Measure Blog

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Alix Rodowa wears safety glasses and gloves in the lab as she reaches for a container of clear liquid on top of a piece of scientific equipment.

Finding PFAS Wherever They’re Hiding

Forever chemicals are everywhere, but they’re really hard to measure. NIST scientists are helping.

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