What causes the Earth's magnetic field?

Rare earth magnets come from one of the elements in the Lanthanide series of metals in the periodic table. The two most common rare earth magnets are Neodymium ... May 30, 2022 ... Exposure to extremely low-frequency magnetic fields and the risk of childhood cancer: Update of the epidemiological evidence. Magnetism is an engaging context for science learning, and investigating the properties of magnets is a great activity for building curiosity. Moving students ... Early Works on Animal Magnetism ... Animal magnetism is a healing system devised by Franz Anton Mesmer. It is based on the belief in the existence of a universal ... Here are answers to many common questions that people have about magnets and magnetism regarding the history, magnetic materials, magnetic properties, magnetic ... The Magnet Recognition Program recognizes health-care organizations for quality patient care, nursing excellence and innovations in professional nursing ... These reversals are random with no apparent periodicity to their occurrence. They can happen as often as every 10 thousand years or so and as infrequently as ... Magnetism is a force that has the ability to repel or attract objects that contain magnetic material, such as iron, nickel, cobalt and some alloys of rare ... 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 ... Magnetic materials are always attracted towards a magnet. However, a magnet may be attracted to or repelled from another magnet.