A magnetohydrodynamic drive or MHD propulsor is a method for propelling seagoing vessels using only electric and magnetic fields with no moving parts, using magnetohydrodynamics. The working principle involves electrification of the propellant (gas or water) which can then be directed by a magnetic field, pushing the vehicle in the opposite direction. Although some working prototypes exist, MHD drives remain impractical.
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Famous quotes containing the word drive:
“I am every day more convinced that we women, if we are to be good women, feminine and amiable and domestic, are not fitted to reign; at least it is contre gré that they drive themselves to the work which it entails.”
—Victoria (1819–1901)