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From: cw@vaxwaller.UUCP (Carl Weidling)
Newsgroups: sci.physics
Subject: The physics of coffee cups
Message-ID: <594@vaxwaller.UUCP>
Date: Thu, 30-Oct-86 16:51:33 EST
Article-I.D.: vaxwalle.594
Posted: Thu Oct 30 16:51:33 1986
Date-Received: Mon, 3-Nov-86 19:42:22 EST
Distribution: net
Organization: Varian, Walnut Creek, CA
Lines: 13

MESSAGE
	It seems to me that a nice thick coffee mug is the proper design
because, when the coffee is 1st poured it is too hot to drink.  The large
mass absorbs a lot of the heat quickly cooling it down to a drinkable level.
After that, the thick walls of the cup insulate the coffee so that it doesn't
keep on cooling quickly.  Is this right?  Maybe a coffee cup has to be made
with the walls in two layers.  The inner layer being thermally conductive
in order to absorb heat quickly, and the outer layer insulative.

Regards,
Carl Weidling
-- 
Cleave yourself to logodaedaly and you cleave yourself from clarity.