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From: plh@ukma.UUCP (Paul L. Hightower)
Newsgroups: net.cooks,net.flame
Subject: Re: Truth in Advertising?
Message-ID: <302@ukma.UUCP>
Date: Thu, 15-Nov-84 12:31:15 EST
Article-I.D.: ukma.302
Posted: Thu Nov 15 12:31:15 1984
Date-Received: Sun, 18-Nov-84 03:50:28 EST
References: <2559@dartvax.UUCP>, <642@watdcsu.UUCP>
Organization: Univ. of KY Mathematical Sciences
Lines: 34

> From: haapanen@watdcsu.UUCP (Tom Haapanen [DCS])
>Message-ID: <642@watdcsu.UUCP>
>Date: Sun, 11-Nov-84 15:39:41 EST
>References: <2559@dartvax.UUCP>

>I still can't believe the ignorance prevailing in journalism today!
>For someone to draw the conclusion that since black cars get hot in
>the sun, then black pots must radiate lots of waste heat is
>incredulous!  This person should have at least consulted a basic
>physics text.
>...
>On the other hand, an object of colour x can only radiate light (read:
>heat) of colour x (i.e. that wavelength).  Therefore, a 100% black pot
>will radiate *no heat* at all.  It will be warm to the touch, though.

>:-( :-( :-(  Journalism today  :-( :-( :-(

>Tom Haapanen		University of Waterloo		(519) 744-2468

Tom, did you consult a basic physics text?  Have you ever observed the
fact that *black* rooftops melt snow faster than *white* ones ?

<<Flame on!>>

The color black both absorbs and *radiates* heat better than other colors.

<<Flame off.>>

I have no idea what this means in regards to cooking pots.

Paul Hightower          University of Kentucky

Black objects b