Inventions of 1900's By 07009.casp Feb 4, 1901 Vacuum cleaner Feb 4, 1902 air coinditioning; automated tea maker Dec 17, 1903 electrocardiogram; first powered flight Feb 4, 1904 radar; tea bags Feb 4, 1905 plastic Feb 4, 1906 radio broadcasting Feb 4, 1907 electric washing machine Feb 4, 1908 coffee filter; water coolers; paper cups Feb 4, 1913 crossword puzzles; bras; zips Feb 4, 1916 sonar Feb 4, 1920 hair dryers; kiss-proff lipstick Feb 4, 1920 robots; insulin Feb 4, 1924 frozen food Feb 4, 1925 television Feb 4, 1926 aerosols sprays Feb 4, 1927 "Talkies" at the movies Sep 3, 1928 penicillin Feb 4, 1930 jet engine; mechanichal toothbrushes; Scotch tape Feb 4, 1932 parking meter Feb 4, 1935 electric guitar Feb 4, 1936 sun tan solutions; electric blanket Feb 4, 1938 ball point pen; photocopying Feb 4, 1939 helicopters Feb 4, 1942 first nuclear reactor built Feb 4, 1946 microwave ovens; automations; Bikini; Tupperware; Tupperware Parties Feb 4, 1947 transistors; holograms; mobiles phones Feb 4, 1948 frisbees; velcro; general purpose computers; contact lenses Feb 4, 1950 credit cards Feb 4, 1951 Tetrapak cartons of milk Feb 4, 1952 wide-screen cinema Feb 4, 1953 transitor radio Feb 4, 1954 solar cell Feb 4, 1955 atomic clock Feb 4, 1956 video tape recorder Feb 4, 1957 satellite Feb 4, 1958 video games; modems Feb 4, 1959 car seat belts Feb 4, 1960 cardiac pacemaker; laser Feb 8, 1960 Man in Space Feb 8, 1964 Computer mouse; miniskirt Feb 8, 1965 Optical disc; bay buggy; HTML Feb 8, 1966 Pocket television Feb 8, 1967 Portable calculator Feb 8, 1968 Biometrics; Workmate; artificial heart Feb 8, 1969 The Internet; cash dispenser Feb 8, 1970 LED; and LCD's Feb 8, 1971 floppy disc Feb 8, 1973 barcodes; post-it.note; car airbags Feb 8, 1975 Personal Computer; laser printer Feb 8, 1977 MRI schanner; inkjet printer Feb 8, 1979 First personal stereo Feb 8, 1980 Hepatitis B vaccine Feb 8, 1987 disposable contact lenses Feb 8, 1989 Wold Wide Web
