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Direct linkJenkins, Alejandro – European Journal of Physics, 2011
Many experimenters, starting with Ernst Mach in 1883, have reported that if a device alternately sucks in and then expels a surrounding fluid, it moves in the same direction as if it only expelled fluid. This surprising phenomenon, which we call "Machian propulsion", is explained by conservation of momentum: the outflow efficiently transfers…
Descriptors: Assistive Technology, Theory Practice Relationship, Experiments, Motion
