Magnet fisher James Kane cradles a shiny, four-pound magnetic disk: a stainless-steel shell housing an alloy of iron, neodymium and boron. He hucks it into a lake in a public park in New York City, ...

Dan Baumgardt does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

In space, bubble trouble hampers oxygen production needed for astronauts to breathe. But neodymium magnets could coax bubbles off electrodes in microgravity to boost the efficiency of splitting water ...