In this video, we show our longest-running steelmaking furnace project. The home foundry was made from an old gas cylinder.

It takes a lot to melt metal — you generally need some sort of heavy-duty torch and a whole lot of time to spare. But if you’re familiar with the application of electrical energy and have a basic ...

Following more or less those directions, I was able to build and run my own mini foundry at home, melting about 30 cans to produce 4 mini-muffin sized ingots of (mostly) pure aluminum: ...