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Old 25-02-2007, 05:08 PM
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Tesladownunder is offline
Join Date: Feb 2007
Location: Bunbury Western Australia
Posts: 9
Originally Posted by gaa_ian View Post
.... I am sure you are in great demand for science fairs & the like !
We don't really have science fairs here. A big problem with public demos is public liability insurance. Most just say no and the only quote I had was $1500 for 6 performances. The setups I have at Uni are covered by their insurance but still took a bit of correspondence to do.

Steel at high current makes great sparks. like with my 6V spotwelder

Best of all though is steel wool. If you pump 50kA through in a fraction of a millisecond. Add a bit of aluminium ignition, stand a few feet away and this is the picture you get.

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