Homemade Arc Furnace

I was sent the link to this video by Marcel Lenormand, one of the wonder people that’s working on MakerSpace with me.  When I started watching it I thought it was pretty cool but by the end my jaw was on the floor:

It’s incredible what you can do with an AC arc weld, a 6v lantern battery and a fire brick.  This really does raise the roof on the possiblities in MakerSpace (or your own garage)!  Here’s the video on making the AC arc welding rig from an old microwave oven if you want to give it a go at home: