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History
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A magnetite rock is being pulled by a neodymium magnet on top.
A magnetite rock is being pulled by a neodymium magnet on top.
Hard disk drives record data on a thin magnetic coating
Hard disk drives record data on a thin magnetic coating
Magnetic hand separator for heavy minerals
Magnetic hand separator for heavy minerals
Magnets have many uses in toys. M-tic uses magnetic rods connected to metal spheres for construction.
Magnets have many uses in toys. M-tic uses magnetic rods connected to metal spheres for construction.
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A solenoid (electromagnet), a coil of wire with an electric current through it
A solenoid (electromagnet), a coil of wire with an electric current through it
One of the first drawings of a magnetic field, by René Descartes, 1644, showing the Earth attracting lodestones. It illustrated his theory that magnet
One of the first drawings of a magnetic field, by René Descartes, 1644, showing the Earth attracting lodestones. It illustrated his theory that magnetism was caused by the circulation of tiny helical particles, "threaded parts", through threaded pores in magnets.
Hans Christian Ørsted, Der Geist in der Natur, 1854
Hans Christian Ørsted, Der Geist in der Natur, 1854