Kripke Enterprises, a metal recycling company based in Toledo, Ohio, is offering a small, hand-held sorting magnet for iron detection in bales and boxes of nonferrous scrap metals. Since it started ...

When a strong magnet is placed above the particles, they clump together like iron filings and are simple to remove. ... "Once the hand-held magnets start gently pulling on a few nanoparticles and get ...

Realta and WHAM, on the other hand, are working on a magnetic mirror design. In it, two strong magnets sitting some distance apart create a magnetic field that holds the plasma in a shape that ...

A new hand-held device that delivers a magnetic pulse to the back of the head could become an alternative to drug treatment for people with migraines. A trial found that 40% of patients were pain free ...