Push the tip of the magnet wire a small distance into the molten solder and hold it there for a few moments. The solder will bubble away the enamel and tin the copper underneath in the process.

Magnets aren't attracted to copper, but when the two come together they can appear to defy gravity. Download the Magnetic Copper PDF (384 Kb). Adobe Acrobat is required. SAFETY: Neodymium magnets ...

The train uses magnetic levitation (maglev) technology to reach its incredible speeds, removing the need for wheels and instead replacing them with magnets, which lift the pods above the track to ...