How strong are rare earth magnets? Magnets are an integral part of many technologies and appliances in the 21st century. From tiny fridge magnets that hold to-do lists to powerful ones that create ...

For my birthday, my son-in-law sent me a little cube formed of 216 tiny steel spheres, resembling ball bearings, the size of salmon roe. They are neodymium magnets: very strong and "permanent," or ...

THE HUMBLE magnet may not seem to belong alongside steel, microchips and oil as a chess piece in the great diplomatic game. But on April 4th, as part of its retaliation against America’s tariffs, ...

Are they earrings? The product of an inept bullet-maker? No, they are magnets, purchased for a few dollars from Lee Valley Tools, the people who exist to make my garden grow, but not so much that I ...

“Focused” magnet system consisting of two stacked rings, each with 16 FeNdB magnet cuboids (side length 20 mm). The inner diameter is 160 mm, and the magnetic field of 20 mT exhibits a homogeneity of ...