Veritasium

Is America Actually Metric? (2017x12)

Bemutató időpontja: 2017 Jún 10

Original Title: The American Kilogram The US signed the metre convention and bases all customary units on SI standards. As an aside, the Utah constitution from 1895 required the metric system to be taught in schools. This requirement was repealed in 1987. ¯\_(ツ)_/¯