Physics
physics.com
physics.com
"Dear James Maxwell, you nailed it."
Indeed: http://web.archive.org/web/20040810100957/http://www.physics...
Well, it looks more like 41 is the answer to life, the universe, and everything than 42.
Edit: Well, it appears I was mistaken. I forgot to count 10^0 cm. The answer is 42. :-)