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YouTube description: Henry Segerman (mathematician and 3D printing guru) discusses how to make three gears work together. You can buy the gears from Henry at Shapeways: http://bit.ly/HenryGears ... continue reading
posted by Aard Vark
(oritteropo) 8 years 9 months ago • 928 views • 4:51YouTube Description: http://www.ted.com With the drama and urgency of a sportscaster, statistics guru Hans Rosling uses an amazing new presentation tool, Gapminder, to present data that debunks several... continue reading
posted by messenger
1 decade 2 years 7 months 2 weeks ago • 827 views • 20:35Not yet a member? No problem!
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