Re: [asa] writing equations - a request

From: Bill Hamilton <williamehamiltonjr@yahoo.com>
Date: Thu Jul 20 2006 - 15:09:16 EDT

What about
    the heat energy that is disipated from the iron into the clothes
    the heat energy that is absorbed by the air between the two irons
    the heat energy that is absorbed by objects in the room (including the
person doing the ironing)
???

--- George Murphy <gmurphy@raex.com> wrote:

> Sort of, but the connection is pretty remote.
>
> The thrifty owners of the laundry have constructed their building in the form
> of an ellipsoid, and put irons at both foci. All the radiation from an
> instrument at one focus as it irons clothes is reflected to the other focus
> (by a well known property of the ellipse) & heats the other iron, which can
> then be used to iron other clothes. No heat is lost & no money needs to be
> spent in heating the irons once they've been heated up initially.
>
> What's wrong with this picture?
>
> (Of course an iron - whether a "mangle" or the usual household variety -
> isn't a mathematical point but that's not the "point" here.)
>
> Shalom
> George
> http://web.raex.com/~gmurphy/
> ----- Original Message -----
> From: Janice Matchett
> To: George Murphy ; ASA list
> Sent: Thursday, July 20, 2006 12:17 PM
> Subject: Re: [asa] writing equations - a request
>
>
> At 11:27 AM 7/20/2006, George Murphy wrote:
>
>
> A teaser: How many know "The paradox of the Chinese laundry"?
>
>
> @ Physicists know that we don't live in a frictionless world, so does it
> have anything to do with a lack of friction?
>
> ~ Janice
>
>
>
>

Bill Hamilton
William E. Hamilton, Jr., Ph.D.
248.652.4148 (home) 248.821.8156 (mobile)
"...If God is for us, who is against us?" Rom 8:31

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Received on Thu Jul 20 15:10:03 2006

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