Microwave ovens are a treasure trove of useful parts: transformers, an HV capacitor, a piezo speaker, and a high torque motor, to name just a few. In a new twist, [Rulof Maker] strips all that out and ...

Home-built foundries are a popular project, and with good reason. Being able to melt and cast metal is a powerful tool, even if it’s “only” aluminum. But the standard fossil-fuel fired foundries that ...

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: ...

An curved arrow pointing right. Gallium, a lesser common element, has some neat tricks up its quickly melting sleeve. It melts in your hand, can be used to make a gag spoon, and can turn a typical ...