Rolling Circles and Balls (original) (raw)
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January 3, 2012
John Baez
There's a lot of beautiful math lurking in rolling circles and balls!
- Part 1 - Rolling a circle on a circle that's the same size.

- Part 2 - Rolling a circle on a circle that's twice as big.

- Part 3 - Rolling a circle inside a circle that's 2,3, or 4 times as big.

- Part 4 - Rolling a ball on a ball that's 3 times as big: warmup.
- Part 5 - Rolling a ball on a ball that's 3 times as big: conclusion.
- Part 6 - Summary, with a cool animation.
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© 2012 John Baez
baez@math.removethis.ucr.andthis.edu
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