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 ...

Metals are the only substances that are magnetic. But some metals are magnetic and some are not. The most common magnetic metal is iron. You don't see too many objects made of pure iron but you do see ...

Even though the tape is self-adhesive, I like to dab a bit of hot glue on it to ensure it stays on the magnet. These are ...

Molecular magnets are analogous to the macro-scale magnets we’re familiar with, in that they retain their magnetism without an external magnetic field. The SMMs so far obtained can retain their ...

After six years teaching kids from 4 to 7 years old, Tiffany Blumenberg always keeps one item nearby. "I always have a box of Kleenex on my desk," she says. Runny noses. Coughs. Stomach bugs.

Researchers have now unlocked a stunning discovery on this invisible frontier: a brand-new type of quasiparticle in all magnetic materials, no matter their strength or temperature. This ...