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20th Century Timeline

The 70s - the technology, science, and inventions

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20th Century Timeline
The 70s began the age of the practical computer made possible by the invention of the floppy disk and the microprocessor that occurred during the 70s.

1970

  • The daisy-wheel printer invented.
  • The floppy disk invented by Alan Shugart.

1971

1972

1973

  • Gene splicing invented.
  • The ethernet (local computer network) invented by Robert Metcalfe and Xerox.
  • Bic invents the disposable lighter.

1974

1975

1976

1977

1978

  • Dan Bricklin and Bob Frankston invented the VisiCalc spreadsheet.
  • The artificial heart Jarvik-7 invented by Robert K. Jarvik.

1979

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