AN interesting note by G. Folgheraiter, on the magnetism induced in volcanic rocks by the earth's magnetic field, appears in the Atti della Reale Accademia dei Lincei (vol. iv. part 5, March 3, 1895).

Minerals and gems are classified by their physical properties, including hardness, luster, color, density, and magnetism. They're also identified by the ways in which they break, or the type of ...

The metals that are magnetic (attracted to magnets) are also the metals that can be made into magnets. The most common magnetic metal is iron which is the main substance in steel. Iron is also in a ...

Iron-rich hematite, commonly found in rocks and soil, turns out to have magnetic properties that make it a promising material for ultrafast next-generation computing. In 2023, EPFL researchers ...

Born and educated in China, Wang spent decades studying magnetism, first earning his ... With China tightening export controls on critical minerals like samarium and dysprosium – and US ...