
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 Field
5 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 …
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.
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.
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 - National Geographic Society
Oct 19, 2023 · To become magnetized, another strongly magnetic substance must enter the magnetic field of an existing magnet. The magnetic field is the area around a magnet that has …
Physics of light and magnetism rewritten after almost two …
4 days ago · Physics Physics of light and magnetism rewritten after almost two centuries An experiment 180 years ago first demonstrated a connection between light and …