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
Sep 13, 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 …
Weak spot in Earth's magnetic field keeps growing ... - CBS News
6 days ago · A weak spot in the Earth's magnetic field is growing over the South Atlantic Ocean, according to more than a decade's worth of satellite data collected by scientists. The 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.
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.
Vast Anomaly in Earth's Magnetic Field Keeps Growing
Oct 14, 2025 · A giant dent in Earth's magnetic field is continuing to expand, according to the latest data from a trio of satellites monitoring our world.
Understanding Magnetism: Meaning, Mechanism, and Types
Magnetism is a fascinating force. Understanding the different types and strengths of magnetic fields guides numerous technologies around us.
A massive weak spot in Earth's magnetic field is growing, …
6 days ago · The South Atlantic Anomaly, a huge weak spot in the geomagnetic field off South America, has expanded and sprouted a lobe in the direction of Africa over the past decade.
A giant weak spot in Earth's magnetic field is getting bigger — …
6 days ago · Satellite data reveal that a weak region in Earth's magnetic field has grown by an area roughly half the size of continental Europe in the last 10 years.
Earth’s magnetic field has a weak spot that’s growing
6 days ago · For 11 years, the European Space Agency’s Swarm satellite constellation has been tracking shifts in Earth’s magnetic field. ESA said on October 13, 2025, that a weak spot over