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Date: | Thu, 2 Nov 2006 16:37:09 +0000 |
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ISEN-ASTC-L is a service of the Association of Science-Technology Centers
Incorporated, a worldwide network of science museums and related institutions.
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At 20:45 01/11/2006, Marc Taylor wrote:
>I'm looking for a material which could be used by visitors in a
>workshop or class (minimum one hour in length) to make sundials
>suitable for installation and use outside.
>
>So the material needs to be:
>
>weatherproof (waterproof, rigid, able to take a pigeon landing on
>it, a cat attacking the pigeon, and a blast from a garden hose
>intended to discipline the cat)
>easy to work with (lost-wax bronze casting is out)
>cheap (clay is cheap but this museum does not have a kiln -- there
>may be one nearby)
What about rapid-setting cement? It will set within an hour and
offers huge creative potential. Participants should wear protective gloves.
[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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