[Tim Williams] likes to heat things up with this induction heater he built ... He’s selling plans and kits in case you want one, but we just don’t know what we’d use it for.

It’s a 30 kVA induction heater built by [bwang] over on Instructables. It gets hot enough to melt and forge steel, iron, and aluminum. An induction heater operates by surrounding the object to ...