
Magnet - Wikipedia
A magnet is a material or object that produces a magnetic field. This magnetic field is invisible but is responsible for the most notable property of a magnet: a force that pulls on other …
Magnetism | Definition, Examples, Physics, & Facts | Britannica
Nov 9, 2025 · Magnetism, phenomenon associated with magnetic fields, which arise from the motion of electric charges. It can be an electric current in a conductor or charged particles …
NASA Is Tracking a Vast Anomaly Growing in Earth's Magnetic ...
4 days ago · For years, NASA has monitored a strange anomaly in Earth's magnetic field: a giant region of lower magnetic intensity in the skies, stretching out between South America and …
How Do Magnets Work? The Physics Behind Magnetism
May 23, 2025 · At its core, magnetism is a force—a special kind of interaction between objects that can cause attraction or repulsion without physical contact. Magnets produce magnetic …
Scientists find a surprising twist in Earth's magnetic field
Nov 12, 2025 · Parts of Earth's magnetic field work in reverse compared to what long-standing models predict, new research suggests.
MAGNETIC Definition & Meaning - Merriam-Webster
The meaning of MAGNETIC is possessing an extraordinary power or ability to attract. How to use magnetic in a sentence.
Magnetism - National Geographic Society
Oct 19, 2023 · The magnetic needle of a compass lines up with Earth’s magnetic poles. The north end of a magnet points toward the North Magnetic Pole, which holds a south magnetic charge.
Magnetism - Math is Fun
Fridge magnets, compass needles and some door fasteners are all examples of permanent magnets. Their magnetism comes from the "spin" of electrons. This isn't like the spinning of a …
Magnets and Electromagnets - Magnetic Field | Magnets ...
Explore the interactions between a compass and bar magnet. Discover how you can use a battery and coil to make an electromagnet. Explore the ways to change the magnetic field, and …
Magnetism - Wikipedia
Magnetism is the class of physical attributes that occur through a magnetic field, which allows objects to attract or repel each other. Because both electric currents and magnetic moments of …