DIY

Thermite powder yields pure, white-hot iron when lit. Don't try this one at home.

Why buy a robot that follows a colored ball when you can spend hundreds of hours building your own?

A long walk on the right beach could reveal magnetite hiding in plain sight.

Cell providers lock your phone for a reason; here are a few reasons to unlock it.

Episode 3, Part I:

Oziexplorer

With the flood of in-car GPS navigation systems available today, you'll never have to ask for directions again.

There are many ways to melt metal, but an arc furnace can liquefy almost anything you put in it, using only electricity.

Digital projectors inexpensively deliver massive HDTV-quality images--if you don't mind a little sweat.

This year's must-have convergence device gets a lot cooler with a few essential extras.