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magnetohydrodynamics| Field of science concerned with the behaviour of ionized gases or liquids in a magnetic field. Systems have been developed that use MHD to generate electrical power. |
| MHD-driven ships have been tested in Japan. In 1991 two cylindrical thrusters with electrodes and niobium–titanium superconducting coils, immersed in liquid helium, were placed under the passenger boat Yamato 1. The boat, 30 m/100 ft long, was designed to travel at 8 knots. An electric current passed through the electrodes accelerates water through the thrusters, like air through a jet engine, propelling the boat forward. |
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