Thanks..read the link.
Visit Mike Bates' website or email him at mikebates-AT-prodigy.net (change "AT" to "@"). Mike Bates is the author of Right Angles and Other Obstinate Truths, which is available at Barnesandnoble.com, Booksamillion.com, Amazon.com or iUniverse.com and can be ordered through most bookstores.
http://www.mensnewsdaily.com/archive/a-b/bates/2004/bates101304.htm
A Plug ;)