Inventions 1900 to 1990 By 07006.casp Jan 1, 1901 Vacuum cleaner Feb 2, 1902 Air conditioning; automated tea maker Mar 3, 1903 Electrocardiogram; first powered flight Apr 4, 1904 Radar; tea bags May 5, 1905 Plastic Jun 6, 1906 Radio broadcasting Jul 7, 1907 Electric washing machine Aug 8, 1908 Coffee filter; water coolers; paper cups Sep 9, 1913 Crossword puzzles; bras; zips Oct 10, 1916 Sonar Nov 11, 1920 Hair dryers; kiss-proof lipstick Dec 12, 1921 Robots; insulin Jan 13, 1924 Frozen food Feb 14, 1925 Television Mar 15, 1926 Aerosol sprays Apr 15, 1927 Talkies’ at the movies May 16, 1928 Penicillin May 17, 1930 jet engine; mechanical toothbrushes; Scotch tape Jun 18, 1932 Parking meter Jul 19, 1935 Electric guitar Aug 20, 1936 Sun tan lotion; electric blanket Sep 21, 1938 Ballpoint pen; photocopying Oct 22, 1939 Helicopters Nov 23, 1942 First nuclear reactor built; Dec 24, 1946 Microwave ovens; automation; Bikini; Tupperware; Tupperware Parties Jan 25, 1947 Transistors; holograms; mobile phones Feb 26, 1948 Frisbees; velcro; general purpose computers; contact lenses Mar 27, 1950 Credit cards Apr 28, 1951 Tetrapak cartons of milk May 29, 1952 Wide-screen cinema Jun 30, 1953 Transistor radio Jul 31, 1954 Solar cell Aug 1, 1955 Atomic clock Sep 2, 1956 Video tape recorder Oct 3, 1957 Satellite Nov 4, 1958 Video games; modems Dec 5, 1959 Car seat belts Jan 6, 1960 Cardiac pacemaker; laser Feb 7, 1961 Man in Space Mar 8, 1964 Computer mouse; miniskirt Apr 9, 1965 Optical disc; bay buggy; HTML May 10, 1966 Pocket television Jun 11, 1967 Portable calculator Jul 12, 1968 Biometrics; Workmate; artificial heart Aug 13, 1969 The Internet; cash dispenser Sep 14, 1970 LED and LCD’s Oct 15, 1971 Floppy disc Nov 16, 1973 Barcodes; post-it-note; car airbags Dec 17, 1975 Personal computer; laser printer Jan 18, 1977 MRI scanner; inkjet printer Feb 19, 1979 First personal stereo Mar 20, 1980 Hepatitis B vaccine Apr 21, 1987 Disposable contact lenses May 22, 1989 World Wide Web
