Re: pinhole shrinking #6

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From: Lori Lambertson (loril@exploratorium.edu)
Date: Fri Jul 05 2002 - 14:58:25 PDT 

Message-Id: <l03110708b94bc63cfb29@[192.174.3.134]>
Date: Fri, 5 Jul 2002 14:58:25 -0700
From: Lori Lambertson <loril@exploratorium.edu>
Subject: Re: pinhole shrinking #6

Hi Shirley,
The publication of which you write was the Math Explorer edition of the
Exploratorium magazine. It was our Spring, 2001 edition. You may be able
to order a copy from the Exploratorium Store. If not, email me directly,
and I will send you a copy of the activity, which was titled, "Incredible
Shrinking Shapes".
Cheers,
Lori Lambertson

>Sometime in the last year there were instructions printed in one of the
>Exploratorium publications for heating pieces of #6 plastic deli
>containers in the oven. The purpose was to observe and discuss the
>shrinkage, and then perhaps to use the resulting pieces.
>Does anyone have the reference?
>Shirley
>
>
>
>
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