> The figure in the shockfossils is not created by hitting the plastic > with high voltage. It happens when voltage stored in the plastic > by the electron beam is discharged by inducing a small flaw. Big > difference. Oh. Thanks, I'll read up a bit more As it happens, yesterday I came across someone local who's making a Tesla coil Joe --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .