Tuesday, February 28, 2006

2414.aspx

A Mathemagical road

The knot driver:



"In the spring issue of The Mathematical Intelligencer, Michael Kleber, a topologist at MIT, waxed enthusiastic about [the interchange's] 'non-trivial braiding': while it is possible to just lift I-95 up and away from I-695, the northbound lane of I-95 braids both over, and then under, the southbound lane, making it impossible to pull them apart without cutting one of the lanes."

No comments:

Post a Comment