About 2,890,000 results
Open links in new tab
  1. 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 …

  2. Scientists find a surprising twist in Earth's magnetic field

    2 days ago · Scientists studying Earth's magnetic field have discovered that its electric heartbeat flows in the opposite direction from what long-standing models predict.

  3. 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 …

  4. Magnetism | Definition, Examples, Physics, & Facts | Britannica

    6 days ago · 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 …

  5. 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.

  6. Magnetic Field - HyperPhysics

    Magnetic fields are produced by electric currents, which can be macroscopic currents in wires, or microscopic currents associated with electrons in atomic orbits. The magnetic field B is defined …

  7. MAGNETIC | English meaning - Cambridge Dictionary

    MAGNETIC definition: 1. (of a metal object or material) able to attract objects or materials containing iron or steel…. Learn more.

  8. Magnetism - National Geographic Society

    Oct 19, 2023 · Magnetism is caused by the motion of electric charges. Every substance is made up of tiny units called atoms. Each atom has electrons, particles that carry electric charges. …

  9. 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 …

  10. A Weak Spot in Earth’s Magnetic Field Is Going from Bad to Worse

    5 days ago · Earth’s magnetic field (technically, the “geomagnetic field”) is thought to be generated by a rotating core of molten iron, roughly 2,900 kilometers, or 1,800 miles, beneath …