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 ...

Two magnets tightly attract when aligned but repel when twisted more than 45 degrees, easily clicking on and off. Other apps: cycling cleats, pick-proof locks, standard prosthetic-limb fittings ...

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 ...

November 12, 2006 The discovery of unexpected magnetic interactions between ultrasmall specks of rust is leading scientists at Rice University 's Center for. November 12, ...

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 ...