Today in Tech History – January 23

1855 – First Bridge Over the Mississippi River

             The first bridge over the Mississippi River opens in what is now Minneapolis, Minnesota, a crossing made today by the Father Louis Hennepin Bridge.

1896 – The First Public X-Rays

              Although he was not the only person to be working on the technology and not the first X-ray, Wilhelm Roentgen gave the first public lecture and demonstration of his device. He photographed Dr. Albert von Kolliker’s hand at the Wurzburg Physical Medical Society. The first X-ray he ever took as of his wife’s hand (with wedding ring on). The practice is also known as Rontgen rays.

1959 – Robert Noyce Conceives the Idea for a Practical Integrated Circuit

              Robert Noyce, as a co-founder and research director of Fairchild Semiconductor, was responsible for the initial development of Silicon mesa and planar transistors, which led to a commercially applicable integrated circuit in 1968, Noyce went on to found Intel Corp. with Gordon Moore and Andy Grove.

1960 – With a crew of two, the bathyscaphe Trieste, descended 10,911 meters in the Pacific Ocean into Challenger Deep in the Mariana Trench near Guam, the deepest known point in the oceans.

1996 – Java Released; Coffee Drinkers Confused

             The first version of the Java programming language was released. The ability of Java to “write once, run anywhere” made it ideal for Internet-based applications. As the popularity of the Internet soared, so did the usage of Java.

2003 – Earth lost communication with space probe Pioneer 10 which was 12 billion-kilometers from Earth.

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