240 BC – Chinese
astronomers observed a new broom-shaped “Star” in the sky. It was the first
confirmed sighting of Halley’s Comet.
1950 – Bell Telephone
Laboratories announced the invention of a new kind of electric eye called the
phototransistor. Dr. John Northrup Shive invented the transistor, which
operated by light rather than electricity.
1951 – Census Bureau Receives UNIVAC I Computer
The US Census Bureau receives the
first UNIVAC I computer, the first commercial computer to attract widespread
public attention. Although the Census Bureau began using it at the end of March
it was not actually moved to the Census Bureau until a few months later. The
UNIVAC was capable of completing 1,905 operations per second, which it stored
on magnetic tape. The Census Bureau had helped drive the development of device
that eventually led to computers, beginning with Herman Hollerith’s 1890 punch
card machine.
1993 – AT&T Graphics Software Labs Close
The graphics software labs at
AT&T closed down and relocated to the AT&T Multimedia Software
Solutions. The division focused on software products that included 3D vector
based graphic programs like AutoCAD, RID, TOPAZ for PC and Mac computers.
2017 – A SpaceX Falcon 9
rocket launched a communication satellite into orbit then landed on a ship in
the Atlantic Ocean. It was the second trip into space for the rocket, and the
first time a rocket had been recovered and launched into space a second time.
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