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Incorporated, a worldwide network of science museums and related institutions.
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	We encourage visitors to leave their hand print, in heat, on 
the wall behind then, under the word HEAT, by pressing their hand to 
the wall.

Martin



>My favourite trick with infrared camera exhibits is to hold my hand 
>against a magazine, folded newspaper, briefcase etc for several 
>seconds, then hold the glowing 'heat-print' up to the camera. I 
>enjoy seeing other people repeating the experiment long after I've 
>walked away. It would be worth designing a suitable surface into the 
>exhibit.
>
>So, if you're a small mammal being stalked by a pit-viper, remember 
>that your footprints also glow in the dark...
>
>
>[log in to unmask] * http://www.interactives.co.uk
>*
>Give people facts and you feed their minds for an hour.
>Awaken curiosity and they feed their own minds for a lifetime.
>*
>Ian Russell
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>More information about the Informal Science Education Network and the
>Association of Science-Technology Centers may be found at http://www.astc.org.
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-- 
Martin Weiss, Ph.D
Vice President, Science
New York Hall of Science
47-01 111 th Street
Corona, New York 11368
718 699 0005 x 356

***********************************************************************
More information about the Informal Science Education Network and the
Association of Science-Technology Centers may be found at http://www.astc.org.
To remove your e-mail address from the ISEN-ASTC-L list, send the
message  SIGNOFF ISEN-ASTC-L in the BODY of a message to
[log in to unmask]