Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.2 9/18/84; site decwrl.UUCP Path: utzoo!watmath!clyde!burl!ulysses!ucbvax!decwrl!dec-rhea!dec-sprite!osman From: osman@sprite.DEC (Eric, DIGITAL, Burlington Ma. 617 273-7484) Newsgroups: net.puzzle Subject: analogy of rod along side of square is UNconvincing. Message-ID: <1028@decwrl.UUCP> Date: Thu, 24-Oct-85 09:26:45 EDT Article-I.D.: decwrl.1028 Posted: Thu Oct 24 09:26:45 1985 Date-Received: Sat, 26-Oct-85 03:40:00 EDT Sender: daemon@decwrl.UUCP Organization: Digital Equipment Corporation Lines: 16 > Since the piece of metal expands uniformly when it is heated, >the hole must expand. If you use a square hole, consider the >portion of the metal that runs along an edge of the square hole. >If this rod-shaped portion of the metal piece was heated by itself, >it would expand in length; so it must also expand in length when it >is part of the hole. Thus, the length of the side of the hole must get >bigger and the hole expands. > > David Moews ...harvard!h-sc1!moews_b moews_b%h-sc1@harvard.arpa > "The Cray-5 can execute an infinite loop in under a minute." Quite an UNconvincing argument. The rod would get fatter too, suggesting it's wideness intrudes into the square, so perhaps the square hole gets *smaller*. /Eric