World's Roundest Object!

Why it was recommended

this video is an imperative watch

Strong recommendationkunai · Original2013-10

What it covers

Veritasium explains the effort to redefine the kilogram, which was still defined by a physical artifact, and how a near-perfect silicon sphere from the Avogadro project. It is for a general viewer who does not plan to take a prerequisite first.

Video details

Channel

Veritasium

Length

11 min 44 sec

Year

2013

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