This playlist is meant to include videos that follow the human understanding of the nature of things and the world through history.
YouTube description: Tubes have carried cats, mail, and people for a really long time. Vox's Phil Edwards leads the tour... Thanks to Ben FrantzDale, Swisslog, and Renown Health for letting us use... continue reading
posted by Aard Vark
(oritteropo) 8 years 7 months 2 weeks ago • 198 views • 3:42Not yet a member? No problem!
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