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Today in Tech History – June 22


1675 – Britain’s King Charles II established the observatory at Greenwich with the main purpose of determining precise longitudes to aid in navigation. This purpose led to Greenwich being marked as the prime meridian and later Greenwich Mean Time.

1799 – The first definitive prototype metre bars (metre des Archives) and kilogram were constructed in platinum.

1910 – Konrad Zuse Born
             Konrad Zuse was born in Germany. An early computer pioneer, Zuse in the 1940s began work on Plankalkul (plan Calculus), the first algorithmic programming language. Seven years earlier, Zuse developed and build the world’s first binary digital computing device, the Z1. He completed the first fully functional program-controlled (by a punched paper tape) electromechanical digital computer, the Z3, in 1941. Only the Z4 – the most sophisticated of his creations – survived World War II.

1946 – Jet Mail
             In a demonstration of the capabilities of jet aircraft, Army Air Corps pilots Kenneth Chilstrom and Robert Baird transport mail in a Lockheed p-80 shooting star, thus making the first delivery of mail by jet aircraft.

1996 – Quake, the successor to the first-person shooter Doom was released by id Software with music composed by Trent Reznor. The Quake engine offered full-time 3D rendering and had early support for 3D acceleration through OpenGL. It also added several multiplayer options.

1999 – The first demonstration of live rats directly controlling a robot arm with their thoughts was published by Nature Neuroscience.

2009 – The End of Kodachrome Color Film
             Kodak announced they would ended the production of Kodachrome color film. Once the leftover film is distributed, there will be no more made. That lasted until December 2010.
Kodak created their iconic Kodachrome film in 1935. This is a non-substansive, color reversal film was used in still photos and cinematography. It used the subtractive color method – which required a complex chemical system to make the negative.
Kodachrome was invented by John Capstaff, who worked for a competitor until Eastman bought the company out.

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