| 1930 Cyclotron Ernest Atom Smasher) O. Lawrence U.S 1943 Aqua Lung Jacques-Yves Cousteau & Emile Gagnan France 1953 Bathyscaphe August Piccard France 1977 Space Shuttle NASA U.S Things That Make Ourlives Easier 1800 Electric Battery Alessandro Volta Italy 1827 Matches John Walker England 1831 Lawn Mower Edwin Budding & John Ferrabee England 1834 Refrigeration Jacob Perkins England 1846 Sewing Machine Elias Howe U.S 1851 Cylinder lock Linus Yale U.S 1879 First Practical Electric Ligh Bulb Thomas A. Edison U.S 1886 Dishwasher Josephine Cochran U.S 1891 Zipper Whitcomb L. Judson U.S 1901 Washing Langmuir Machine Fisher U.S 1903 Winshield Mary Wipers Anderson U.S 1907 Vacuum J. Murray Cleaner Spangler U.S 1911 Air Willis H. Conditioning Carrier U.S 1924 Frozen Clarence Packaged Food Birdseye U.S 1947 Microwave Oven Percy L. Spencer U.S 1948 Velcro Georges de Mestral Switzerland 1963 Pop-Top Can Ermal C. Frace U.S 1969 Cash Machine Don Wetzel U.S 1971 Food Processor Pierre Verdon France 1980 Post-Its 3 M Company U.S 1981 Polartec Fabric Malden Mills U.S |
| Entertainment 1709 Piano Bartolomeo Cristofori Italy 1877 Microphone Emile Berliner U.S 1888 Portable George Eastman U.S Camera 1893 Moving Picture Viewer Thomas A. Edison U.S 1894 Motion Picture Projector Charles F. Jenkins U.S 1899 Tape Recorder Valdemar Poulsen Denmark 1923 Television Vladimir K. Zworykin U.S 1963 Audiocassette Phillips Corporation Netherlands 1963 Steel Tennis Racquet Rene Lacoste France 1969 Videotape Sony Japan Cassette 1972 CD RCA U.S 1972 Video Game Noland Bushnell U.S 1979 Walkman Sony Japan |
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