20th Century Inventions
- sound movie
- vacuum cloeaner
- autochrome photography
- sound radio broadcasting
- Geiger counter
- jukebox
- bakelite plastic
- zeppelin
- aircraft
- hydrofoil
- airmail
- 35 mm camera
- food mixer
- zipper
- traffic light
- heat-resistance glass
- seaplane
- tank
- lie detector
- black and white TV
- color TV
- hair dryer
- insulin
- bulldozer
- antibiotics
- submachine gun
- highway
- liquid-fueled rocket
- jet engine
- rader
- tape recorder
- photocopier
- radar
- pop-up toaster
- electron microscope
- polyethelyne
- nylon
- DDT
- cat's-eye road studs
- helicopter
- marine stabilizers
- parking meter
- aerosol can
- plastic artificial eyes
- microwave oven
- computer
- long-playing record
- nuclear reactor
- transistor
- missile
- scuba
- atomic bomb
- transistor radio
- videotape
- integrated circuit
- heart-lung machine
- credit card
- oral contraceptive
- heart pacemaker
- fiber-optic endoscope
- atomoic power station
- space satellite
- hovercraft
- communications satellite
- cassette tape recorder
- word processor
- machine-readable characters
- electric toothbrush
- skateboard
- scanning electron microscope
- laser
- hologram
- space travel
- automatic landing
- satellite navigation
- floppy disk
- home video game
- personal computer
- personal stereo
- CT scanner
- foot processor
- wave-powered generator
- space station
- supersonic passenger aircraft
- catalytic converter
- still video camera
- satellite TV
- desktop publishing
- game boy
- Rubik's cube
- artificial heart
- genetic fingerprinting
- gene gun
- wind farm
- reusable space vehicle
- smart bomb
- stealth fighter
- and more to follow after 1990...
- plus (1904): the espresso machine