Inventions 1900 to 1990

By Macujo

  • vacuum cleaner

  • air conditioning; automated tea maker

  • electrocardiogram; first powered flight

  • radar; tea bags

  • plastic

  • radio broadcasting

  • electric washing machine

  • coffee filter; water coolers; paper cups

  • crossword puzzles; bras; zips

  • sonar

  • hair dryers; kiss-proof lipstick

  • robots; insulin

  • frozen food

  • television

  • aerosol sprays

  • ‘Talkies’ at the movies

  • penicillin

  • jet engine; mechanical toothbrushes; Scotch tape

  • parking meter

  • electric guitar

  • sun tan lotion; electric blanket

  • ballpoint pen; photocopying

  • helicopters

  • first nuclear reactor built

  • microwave ovens; automation; Bikini; Tupperware; Tupperware Parties

  • transistors; holograms; mobile phones

  • frisbees; velcro; general purpose computers; contact lenses

  • credit cards

  • Tetrapak cartons of milk

  • wide-screen cinema

  • transistor radio

  • solar cell

  • atomic clock

  • video tape recorder

  • satellite

  • video games; modems

  • car seat belts

  • cardiac pacemaker; laser

  • Man in Space

  • computer mouse; miniskirt

  • optical disc; bay buggy; HTML

  • pocket television

  • portable calculator

  • biometrics; Workmate; artificial heart

  • the Internet; cash dispenser

  • LED and LCD’s

  • floppy disc

  • barcodes; post-it-note; car airbags

  • personal computer; laser printer

  • MRI scanner; inkjet printer

  • first personal stereo

  • Hepatitis B vaccine

  • disposable contact lenses

  • World Wide Web