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by wbeaty 1920 days ago
Hot 4mm arcs, cuts through thin plastic, or sets fires.

Since 2005, hobbyists started making cigarette lighters from these.

Then someone started actually marketing them. Then someone else came up with a switched, double-arc version with a little "X"-shaped discharge, "Plasmatic(tm)."

Now everybody gotta get their own, apparently. Not five dollars though.