This playlist is meant to include videos that follow the human understanding of the nature of things and the world through history.
YouTube description: In Göttingen, Germany, there's a four-tonne steel ball that can be raised up a 14-metre tower -- and then dropped in less than two seconds, crashing back to earth. It makes tiny,... continue reading
posted by Aard Vark
(oritteropo) 6 years 8 months 3 weeks ago • 725 views • 3:34Not yet a member? No problem!
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