Timeline of 1900's By Villadiego Aug 30, 1901 vacuum cleaner Jun 17, 1902 air conditioning; automated tea maker Feb 4, 1903 electrocardiogram; first powered flight Mar 5, 1904 radar; tea bags Mar 10, 1905 plastic Dec 24, 1906 radio broadcasting Oct 3, 1907 electric washing machine Apr 7, 1908 coffee filter; water coolers; paper cups Nov 1, 1913 crossword puzzles; bras; zips Jun 10, 1918 sonar May 16, 1920 hair dryers; kiss-proof lipstick Aug 11, 1921 1921 : robots; insulin Apr 21, 1924 frozen food Nov 6, 1925 television Feb 28, 1926 aerosol sprays Nov 25, 1928 penicillin May 13, 1930 jet engine; mechanical toothbrushes; Scotch tape May 13, 1932 parking meter May 3, 1935 electric guitar Apr 9, 1936 sun tan lotion; electric blanket Dec 10, 1938 ballpoint pen; photocopying Jan 16, 1939 helicopters Oct 9, 1942 first nuclear reactor built; Feb 10, 1946 microwave ovens; automation; Bikini; Tupperware; Tupperware Parties Nov 18, 1947 transistors; holograms; mobile phones Jan 14, 1948 frisbees; velcro; general purpose computers; contact lenses Mar 13, 1950 credit cards Mar 13, 1951 Tetrapak cartons of milk Mar 10, 1952 wide-screen cinema Apr 12, 1952 wide-screen cinema Apr 13, 1953 transistor radio Aug 9, 1953 transistor radio Sep 13, 1954 solar cell Dec 2, 1955 1955 : atomic clock Jul 13, 1956 1956 : video tape recorder Sep 18, 1957 satellite Apr 13, 1958 video games; modems Jul 9, 1959 car seat belts Apr 18, 1960 cardiac pacemaker; laser Aug 10, 1961 Man in Space Feb 10, 1964 computer mouse; miniskirt Jun 13, 1965 optical disc; bay buggy; HTML May 15, 1966 pocket television May 19, 1967 portable calculator Mar 13, 1968 1968 : biometrics; Workmate; artificial heart Feb 13, 1969 the Internet; cash dispenser Feb 10, 1970 LED and LCD’s Jan 13, 1971 1971 : floppy disc Aug 19, 1973 1973 : barcodes; post-it-note; car airbags Jun 13, 1975 personal computer; laser printer Dec 27, 1977 1977 : MRI scanner; inkjet printer Apr 13, 1979 first personal stereo Feb 9, 1980 Hepatitis B vaccine Nov 24, 1987 disposable contact lenses Jan 24, 1989 World Wide Web Jan 13, 2014 1927 : ‘Talkies’ at the movies