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 ferromagnetic …

Jan 30, 2026 · 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 moving through …

2 days ago · Roughly 3,000 km beneath our feet, Earth's outer core, an unfathomably deep ocean of molten iron alloy, endlessly churns to produce a global magnetic field stretching out far into space. …

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 fields, invisible …

The meaning of MAGNETIC is possessing an extraordinary power or ability to attract. How to use magnetic in a sentence.

Just as electric charges have electric fields surrounding them, magnets have magnetic fields that surround them. This page explores the important concept of the magnetic field and how magnetic …

2 days ago · Earth's magnetic field is generated by the churn of its liquid nickel-iron outer core, but it is not a constant feature. Every so often, the magnetic north and south poles swap places in what are ...

Far beneath the Atlantic, a vast distortion in Earth’s magnetic shield has been charted with a clarity that would have been unthinkable a decade ago. The South Atlantic Anomaly, a sprawling weak ...

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 basketball, but a …

2 days ago · Deep inside Earth, two massive hot rock structures have been quietly shaping the planet’s magnetic field for millions of years. Using ancient magnetic records and advanced simulations ...