an internet tradition since June 9, 2001.
ReplyTo a comment on Why you don't fall through the floor by ?-Dave_Mysterious-?.
ARTIE8 Dec 2003 Nice, although I misplaced my Shigley. Your title reminds me of a question I ask when interviewing Engineering Co-ops. "Why is a manhole cover round, vs. any other geometric shape?" Good for checking the thought process.
ARTIE8 Dec 2003