SAN FRANCISCO -- Slag left over from Iron Age copper smelting shows the Earth's magnetic field was stronger and more variable than scientists ever imagined. "This is a very challenging result," said ...

Physicists and chemist have made atoms of gold, silver and copper, known as non-magnetic metals, magnetic. The magnetism appears at the nanometric scale when the material is surrounded with previously ...

Magnetic flow meter technology is an optimal tool for wastewater processing, which can apply across power generating facilities that require water for cooling, steam, or other applications. In recent ...

If you drop strong magnets onto a plate of copper, something remarkable happens: the magnets slow down before hitting the surface and appear to levitate slightly, like the copper is another magnet, ...