Posted by: agsharma on: November 3, 2008
Posted by: agsharma on: November 3, 2008
This looks right out of a Douglas Adams’ novel. Sometimes, a simple, even childish question turns out to be connected to the deepest secrets of the universe. Here’s one: How many different ways can you tie your shoelaces? Mathematicians have been puzzling over that question for a century or two, and the main thing they’ve [...]