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Old 04-18-2016, 03:24 PM
engineer_comp_geek engineer_comp_geek is offline
Robot Mod in Beta Testing
Join Date: Mar 2001
Location: Pennsylvania
Posts: 20,617
I haven't actually tried it myself, but my gut feeling is that the electrodes in the video are too small to produce enough current to heat up the steel wool to the point of creating flames. We're talking milliamps at about 4 or 5 volts, which ain't a whole lot of heat power.