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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The problem could be caused by various things. Here are three things you could try.
Check that the upper dome has not been cleaned with conductive anti-static polish.
Check that the lower surface is sufficiently conductive and that it is well earthed. (Accumulating charge in the lower part typically causes such exhibits to stop working after a while).
Use confetti from an ordinary office hole punch instead of polystyrene balls.
Ian Russell
www.interactives.co.uk
Sent from my BlackBerry® wireless device
-----Original Message-----
From: Laura <[log in to unmask]>
Sender: Informal Science Education Network <[log in to unmask]>
Date: Wed, 8 Sep 2010 01:22:03
To: <[log in to unmask]>
Reply-To: Informal Science Education Network
<[log in to unmask]>
Subject: Static Dome
ISEN-ASTC-L is a service of the Association of Science-Technology Centers
Incorporated, a worldwide network of science museums and related institutions.
*****************************************************************************
Good morning everyone,
We are having trouble with our static dome and could really use some advice from anyone out there.
It is as follows: We made a static dome with an acrylic top, around 1 1/2 foot in diameter and filled it with polystyrene beads of about 5mm in diameter. We didn't seal the edges. At first it worked fine when rubbed with nylon, wool and the like, but after a few months it only worked if it was placed in direct sunlight. Then it stopped working even then, so we thought it might have something to do with the humidity. We took it apart, dried out the beads, added some dessicant pads and sealed the edges completely with silicon gel. Now it won't work at all.
So my question is, does it seem likely that high humidity was the issue here? We live 6 degrees above the equator, it's hot, sticky, sweaty humid and our centre has no air conditioning.
Any advice would be much appreciated,
Laura Davies
Environmental Education Coordinator
The Green Connection Aquarium and Science Discovery Centre
Sabah, Borneo
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For information about the Association of Science-Technology Centers and the Informal Science Education Network please visit www.astc.org.
Check out the latest case studies and reviews on ExhibitFiles at www.exhibitfiles.org.
The ISEN-ASTC-L email list is powered by LISTSERVR software from L-Soft. To learn more, visit
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To remove your e-mail address from the ISEN-ASTC-L list, send the
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