This playlist is meant to include videos that follow the human understanding of the nature of things and the world through history.
YouTube description: View full lesson: http://ed.ted.com/lessons/why-the-metric-system-matters-matt-anticole For the majority of recorded human history, units like the weight of a grain or the length... continue reading
posted by Aard Vark
(oritteropo) 8 years 3 months 3 weeks ago • 341 views • 5:08Not yet a member? No problem!
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