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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 ...
Maglev, or magnetic levitation, is a system of transportation that suspends, guides and propels vehicles, predominantly trains, using magnetic levitation from a very large number of magnets for lift and propulsion. This method has the potential to be faster, quieter and smoother than wheeled mass transit systems.
The facility houses several magnets, including a 45 Tesla hybrid magnet, which combines resistive and superconducting magnets. The lab's 41.4 Tesla resistive magnet is the strongest DC (continuous-field) resistive magnet in the world, [13] and the 25 Tesla Keck magnet has the highest homogeneity of any resistive magnet. [14]
Superconducting magnet. Schematic of a 20-tesla superconducting magnet with vertical bore. A superconducting magnet is an electromagnet made from coils of superconducting wire. They must be cooled to cryogenic temperatures during operation. In its superconducting state the wire has no electrical resistance and therefore can conduct much larger ...
Force between magnets. Magnets exert forces and torques on each other through the interaction of their magnetic fields. The forces of attraction and repulsion are a result of these interactions. The magnetic field of each magnet is due to microscopic currents of electrically charged electrons orbiting nuclei and the intrinsic magnetism of ...
The Armstrong proposal incorporated four 12 cm guns and was slightly longer than the Panther class, allowing for finer hull lines for less hydrodynamic resistance. STT's design was slightly smaller than Panther , but was otherwise similar to Armstrong's ship; both firms guaranteed a speed of 17 knots (31 km/h; 20 mph) normally and 18 knots (33 ...
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