How do magnets attract or repel?

A higher temperature weakens a magnet's strength and magnetic field. As heat increases the magnet's kinetic energy and makes its molecules move faster, they ... Apr 14, 2020 ... Listen to this episode from Oral Presentations on Spotify. How I Miss Riding the Bus in 7th Grade -> Bar Magnets -> Electromagnetism ... The planet Earth acts as a giant magnet. A magnet is a rock or a piece of metal that can pull certain types of metal toward itself. The force of magnets, called ... The most important mechanism for Electromagnetic Pulse (EMP) production from a nuclear detonation is the ionization of air molecules by gamma rays generated ... MRI is a noninvasive medical imaging test that produces detailed images of almost every internal structure in the human body, including the organs, bones, ... Jun 3, 2023 ... All your molecules have a small amount of magnetic energy in them. The thought behind magnetic field therapy is that certain problems happen ... Feb 2, 2022 ... Magnetism is a force of nature produced by moving electric charges. Sometimes these motions are microscopic and inside of a material known as ... Jan 29, 2008 ... Scientists have discovered that the magnetic strength of magnetite—the most abundant magnetic mineral on Earth—declines drastically when put ... May 30, 2022 ... Exposure to extremely low-frequency magnetic fields and the risk of childhood cancer: Update of the epidemiological evidence. Aug 4, 2021 ... Magnetism, or Electromagnetism, has a few properties which seem "odd" to me; Right-hand rule, that magnetic fields rotate clockwise around a positive charge.