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 ~~ ><> ~~ ><> ~~ ><> ~~ *********************************************************************** 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 http://www.lsoft.com/LISTSERV-powered.html. 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]