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 ...

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.

Adron embedded a thin strip of metal into track 2 of the magnetic stripe. The ends of that strip are wrapped with thin copper wire to create a solenoid. The solenoid is driven by a PIC ...