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To have the cake, or eat it? (continued) Most U.S. engineering colleges were founded in the 40 years following the passage of the Morrill Land-Grant Act in 1862. In the same general period, the world witnessed a phenomenal conjunction of inventions — the internal combustion engine, the vulcanization of rubber, the pneumatic tire, the automobile, the steam turbine, the use of steel in construction, the electric lamp, the Pearl Street central station, the electric motor, electric traction, the ac power system, the telephone, the Edison effect, the Hertz confirmation of Maxwell´s prediction of electromagnetic radiation, the Fleming valve, Marconi´s span of the Atlantic by radio waves, De Forest´s triode, the Wright airplane.