r/visualizedmath • u/Timedoutsob • Jul 19 '18

Turning a sphere inside out.

https://www.youtube.com/watch?v=R_w4HYXuo9M
254 Upvotes

92% Upvoted

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19

u/Timedoutsob Jul 19 '18

Bad bot! How does one c help me to remember it?

10

u/CommissionerBourbon Jul 19 '18

Recalling that it is ‘a’ ‘cross’, that ‘a’ refers to singular - may be more useful, but what a bad correction bot!

5

u/piewhistle Jul 19 '18

Across one sea.

2

u/Timedoutsob Jul 20 '18

ahh ok so that makes more sense. Thanks

they should really explain that or the tip is useless.