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1752
Lightning Rod 1901
Shaving -double-edged safety razor. 1902
Air Conditioning 1903
Airplane At Kitty Hawk 1908
Model T 1911
Self Starter 1919
Hydrofoil 1920
KDKA The first regular commercial radio broadcasts begin 1921
Wirephoto The first electronically-transmitted photograph by Western
Union. 1926
Rocket 1927
Television Philo Farnsworth demonstrates the first television. 1929
Frozen Food- Clarence Birdseye offers his quick-frozen foods to the
public. 1931
Radio Astronomy 1930
Scotch Tape 1932
Defibrillator 1937
Chair Lift for skiing 1938
Nylon 1939
Digital Computer 1940
Jeep 1942
Atomic Reaction 1945
Atomic Bomb 1947
Polaroid Camera 1948
Electric Guitar 1951
UNIVAC 1 1953
Heart-lung Machine 1955
Nuclear Submarine 1957
Polio Vaccine 1958
Explorer I 1960
Laser 1964
Operating System-IBM 1965
Minicomputer 1969
The Moon Landing 1970
Optical Fiber 1971
Kevlar 1972
Video Game 1974
Barcode 1975
Microsoft 1976
Super Computer 1979
Human-Powered Flight 1981
Space Shuttle 1982
Artificial Heart 1983
PC 1985
Genetic Engineering 1988
Graphic User Interface 1990
Hubble Telescope 2001- Segway
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Biblical
Answers
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