Hairy Theorem
Posted in Favorite Theorems, Math is Everywhere, Mathematics, Nonsense on February 17th, 2006 2 Comments »
This one’s a new one for me. It is definitely intuitive but I would have never thought of name for it!
You cannot comb a hairy ball.
The Hairy Ball Theorem states that if you take a ball that is evenly covered with hairs, no matter how you comb the ball, there must be a part [...]