Detailed Instructions for Creating an Electric Arc Furnace Hot Enough to Melt Steel Using Household Materials

After trying out his makeshift arc furnace on a variety of materials, Grant “The King of Random” Thompson (previously) offers up a video detailing precisely how he created the high-power homemade heating device using rods pulled from a lantern battery and a fireplace brick made from aluminum silicate.

The magic happens when the rods are pushed through the holes in the sides and suddenly bump into each other, striking a dangerous and blindingly hot arc of electricity.