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A pair of bolt cutters collected through magnet fishing in the Scarpe at Lallaing, France. A neodymium magnet used for magnet fishing. Magnet fishing, also called magnetic fishing, is searching in outdoor waters for ferromagnetic objects available to pull with a strong neodymium magnet. [ 1] Recovered items may be dangerous, such as firearms ...
A horseshoe magnet is either a permanent magnet or an electromagnet made in the shape of a horseshoe (in other words, in a U-shape). The permanent kind has become the most widely recognized symbol for magnets. [ 1]: 2 It is usually depicted as red and marked with 'North' and 'South' poles. [ 1]: 3 Although rendered obsolete in the 1950s by ...
A rare-earth magnet is a strong permanent magnet made from alloys of rare-earth elements. Developed in the 1970s and 1980s, rare-earth magnets are the strongest type of permanent magnets made, producing significantly stronger magnetic fields than other types such as ferrite or alnico magnets. The magnetic field typically produced by rare-earth ...
A neodymium magnet (also known as NdFeB, NIB or Neo magnet) is a permanent magnet made from an alloy of neodymium, iron, and boron to form the Nd 2 Fe 14 B tetragonal crystalline structure. [ 1] They are the most widely used type of rare-earth magnet. [ 2]
These so-called ceramic magnets are cheap, and are widely used in household products such as refrigerator magnets. The maximum magnetic field B is about 0.35 tesla and the magnetic field strength H is about 30–160 kiloampere turns per meter (400–2000 oersteds). [33] The density of ferrite magnets is about 5 g/cm 3.
The Rainbow Ballroom started its life as The Fresno Natatorium in 1918. The three-story, indoor-swimming complex had a high-dive platform, spring boards and trapeze rings set over the pool for ...
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