YouTube description: Bill reveals the stunning engineering underlying the design of a diaper. He describes the five layers of a diaper, including the superabsorbent polymer in the diaper's core. He... continue reading
posted by Aard Vark (oritteropo) 7 years 11 months 1 week ago • 337 views • 6:34search results matching tag: harmonics
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"Pianos can't be perfectly tuned - it's a mathematical fact!" -YT
posted by messenger 8 years 8 months ago • 566 views • 4:20Fun starts a couple of minutes in
posted by simonm 9 years 6 months 4 weeks ago • 312 views • 5:05- 1