EDN Moments

- March 21, 2012

Review the moments in tech history important to engineers with the EDN Moments blog.


1st self-sustaining nuclear chain reaction is initiated, December 2, 1942

  • 12.02.2016

On this day in tech history, the first self-sustaining nuclear chain reaction was initiated in Chicago using a nuclear reactor with no radiation shield and no cooling system. Read More...


Ford introduces the assembly line, December 1, 1913

  • 12.01.2016

On this day in tech history, Henry Ford began to revolutionize the auto industry when he introduced the first moving assembly line. Read More...

IBM delivers 7090 mainframe computers, November 30, 1959

  • 11.30.2016

On this day in tech history, IBM delivered the first two 7090 mainframe computers, designed for scientific research and technological applications. Read More...

San Jose is founded, November 29, 1777

  • 11.29.2016

On this day in tech history, San Jose was founded in what would become California. Read More...

Pulsar is first observed, November 28, 1967

  • 11.28.2016

On this day in tech history, the first pulsar, or pulsating star, was observed by two radio astronomers, leading to a Nobel Prize for one of the scientists and a notable snub by the Norwegian Nobel Committee for the other. Read More...


Mars 2 crash lands on Mars, November 27, 1971

  • 11.27.2016

On this day in tech history, the first man-made object reached the surface of Mars, thanks to a computer error. Read More...


Concorde makes its final flight, November 26, 2003

  • 11.26.2016

On this day in tech history, supersonic passenger airliner Concorde made its final flight, retiring after 27 years of service. Read More...


Viking Project tests general relativity, November 25, 1976

  • 11.25.2016

On this day in tech history, the Viking spacecraft passed through superior conjunction at Mars, where it could be used in an experiment to test general relativity. Read More...

Apollo 12 splashes down, November 24, 1969

  • 11.24.2016

On this day in tech history, Apollo 12, the second manned mission to land on the moon, safely returned to Earth, splashing down in the Pacific Ocean. Read More...

Doctor Who premieres, November 23, 1963

  • 11.23.2016

On this day in tech history, Doctor Who, the world’s longest running science fiction drama, made its debut on the BBC. Read More...


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