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He successfully used a steam engine to drill for oil near Titusville, Pennsylvania, that removing oil from beneath the earth's surface became practical.
Airplane is a device powered either by a piston engine and prop or by a jet engine.
Paul Schmidt in cooperation with the Argus Engine company
Model ships were popular before WW2; after WW2, model airplanes, especially rubber band powered airplanes, then fuel (engine) powered model planes became popular. Children also enjoyed collecting scrap metal, knitting and, "spying",
The jet engine made the world smaller by making travel time shorter. Also,helped to get humans into outer space. These are just a few things the jet engine did.