Sphere turned inside out

Question

How can I turn a sphere inside out? I saw this video on YouTube and I didn't understood how can i turn a sphere inside out. any help will be appreciated.

http://www.youtube.com/watch?v=R_w4HYXuo9M

score 2 · Accepted Answer · edited Aug 13 '13 at 01:33

2

Video, of course, is not a proof. You can find references to several rigorous proofs (including the original one) at Smale's Paradox ("References" section).

edited Aug 13 '13 at 01:33

Pedro

122,002

answered Aug 13 '13 at 01:30

Moishe Kohan

97,719

Sphere turned inside out

1 Answers1