A permanent magnet is always magnetic. It has an invisible magnetic field. Only certain materials, such as iron, feel a magnetic force. Permanent magnets can come in lots of different shapes and ...

Many miles from Silicon Valley, near downtown Minneapolis, Niron Magnetics is daring to create them in a way that could set ...

"We have previously had two well-established types of magnetism," study ... forming the basis of magnetic memory devices. Altermagnetic materials, first theorized in 2022, have a structure that ...