Circle Rolling on Circle (without slip)
This interactive exercise was inspired by Presh Talwalkar
MindYourDecisions
https://youtu.be/kN3AOMrnEUs
Sources as posted by Presh
http://www.donaldsauter.com/rolling-c...
http://www.nytimes.com/1982/05/25/us/...
Also see the Coin Rotation Paradox
https://en.wikipedia.org/wiki/Coin_ro...