Make your own Hedwig (Owl), Trevor (frog), Aragog (spider) Mr. Tibbles/Crookshanks (cat), bat (just because) or lightning bolt (for Harry) shaped refrigerator magnets. Take the sheets of foam ...

Apple likes magnets. They started out with magnetic laptop chargers and then graduated to a system that magnetically holds ...

A 1970s programmable calculator from Sharp approached the problem with magnetic strips on special cards, and since [Menadue] has one with no cards, he set about making his own. These cards are a ...