Inventions 1900 to 1990 By Ignasi Puig Feb 4, 1901 vacuum cleaner Feb 4, 1902 air conditioning Feb 4, 1902 automated tea maker Feb 4, 1903 electrocardiogram Feb 4, 1903 first powered flight Feb 4, 1904 radar Feb 4, 1904 tea bags Feb 4, 1905 plastic Feb 4, 1906 radio broadcasting Feb 4, 1907 electric washing machine Feb 9, 1908 coffee filter Feb 9, 1908 water coolers Feb 9, 1908 paper cups Feb 9, 1913 crossword puzzles Feb 9, 1913 bras Feb 9, 1913 zips Feb 9, 1916 sonar Feb 9, 1920 hair dryers Feb 9, 1920 kiss-proof lipstick Feb 9, 1921 robots Feb 9, 1921 insulin Feb 9, 1924 frozen food Feb 9, 1925 television Feb 9, 1926 aerosol sprays Feb 9, 1927 ‘Talkies’ at the movies Feb 9, 1928 penicillin Feb 9, 1930 jet engine Feb 9, 1930 mechanical toothbrushes Feb 9, 1930 Scotch tape Feb 9, 1932 parking meter Feb 9, 1935 electric guitar Feb 9, 1936 sun tan lotion Feb 9, 1936 electric blanket Feb 9, 1938 ballpoint pen Feb 9, 1938 photocopying Feb 9, 1939 helicopters Feb 9, 1942 first nuclear reactor built Feb 9, 1946 microwave ovens Feb 9, 1946 automation Feb 9, 1946 Bikini Feb 9, 1946 Tupperware Feb 9, 1946 Tupperware Parties Feb 9, 1947 transistors Feb 9, 1947 holograms Feb 9, 1947 mobile phones Feb 9, 1948 frisbees Feb 9, 1948 velcro Feb 9, 1948 general purpose computers Feb 9, 1948 contact lenses Feb 9, 1950 credit cards Feb 9, 1951 Tetrapak cartons of milk Feb 9, 1952 wide-screen cinema Feb 9, 1953 transistor radio Feb 9, 1954 solar cell Feb 9, 1955 atomic clock Feb 9, 1956 video tape recorder Feb 9, 1957 satellite Feb 9, 1958 video games Feb 9, 1958 modems Feb 9, 1959 car seat belts Feb 9, 1960 cardiac pacemaker Feb 9, 1960 laser Feb 9, 1961 Man in Space Feb 9, 1964 computer mouse Feb 9, 1964 miniskirt Feb 9, 1965 optical disc Feb 9, 1965 bay buggy Feb 9, 1965 HTML Feb 9, 1966 pocket television Feb 9, 1967 portable calculator Feb 9, 1968 biometrics Feb 9, 1968 Workmate Feb 9, 1968 artificial heart Feb 9, 1969 the Internet Feb 9, 1969 cash dispenser Feb 9, 1970 LED and LCD’s Feb 9, 1971 floppy disc Feb 9, 1973 post-it-note Feb 9, 1973 car airbags Feb 9, 1973 barcodes Feb 9, 1975 personal computer Feb 9, 1975 laser printer Feb 9, 1977 MRI scanner Feb 9, 1977 inkjet printer Feb 9, 1979 first personal stereo Feb 9, 1980 Hepatitis B vaccine Feb 9, 1987 disposable contact lenses Feb 9, 1989 World Wide Web