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Printing press, ca. 1450
Pendulum clock, 1656
Improved steam engine, 1775
Smallpox vaccine, 1796
Electric battery, 1800
First electric generator, 1831
Dynamite, 1866
Modern dynamo electric generator, 1867
Telephone, 1876
Light bulb, 1880 (in America)
Automatic machine gun, 1884
Automobile, 1886
Alternating current motor and transformer, 1888
X-ray machine, 1895
Radio, 1897
Airplane, 1903
First electromechanical television, 1925
Nuclear reactor (Chicago Pile-1), 1942
Space rocket (long-range guided ballistic missile), 1942
First programmable electronic computer (Colossus Mark 1), 1943
Atomic bomb (director at Los Alamos), 1945
Transistor, 1947
Polio vaccine, 1955
Integrated circuit (microchip), 1958
Internet (ARPANET), 1969
Compact Disc, 1980
World Wide Web and first web browser, 1990
Wireless internet (Wi-Fi), 1997