Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.1 6/24/83; site petfe.UUCP Path: utzoo!watmath!clyde!burl!ulysses!mhuxr!mhuxt!houxm!vax135!petsd!petfe!bobp From: bobp@petfe.UUCP (Dan Masi) Newsgroups: net.puzzle Subject: Re: Re: Warped cookie sheets Message-ID: <545@petfe.UUCP> Date: Mon, 4-Nov-85 16:17:15 EST Article-I.D.: petfe.545 Posted: Mon Nov 4 16:17:15 1985 Date-Received: Tue, 5-Nov-85 09:32:46 EST Organization: Perkin-Elmer DSG, Tinton Falls, N.J. Lines: 17 <<>> >>You hole-expansion-or-contraction debaters seem to be >>overlooking the fact that when I put a pan of cookies >>in the oven the cookie sheet spontaneously warps itself >>when it heats up a bit. >_____________________________________________________ >Warping implies non-uniform heating. Hi Al! This isn't necessarily true... what about a cookie sheet with a coating (e.g. Teflon, Silverstone, etc.) on it? Seems the coating material would probably have a different thermal expansion than the sheet itself, thus warping the sheet when heated. dbdan