The world depends on a collection of strange items. They're not cheap
Veritasium · 6 HN recommendations
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Veritasium visits NIST to explain Standard Reference Materials, the carefully characterized items such as peanut butter used to calibrate instruments and keep measurements consistent. It covers why they exist and why they are expensive.
Why HN recommends it: Whenever NIST's pricey peanut butter or reference materials come up, commenters point to this as the clear explanation of why they exist.
“Veritasium [1] did a video of exactly this and explains why it exists” Read on HN ↗