Happy Armistice Day, Remembrance Day and Veterans Day. 1675 – Gottfried Leibniz demonstrates integral calculus for the first time to find the area under the graph of y = Æ’(x). 1918 – World War I: Germany signs an armistice agreement with the Allies in a railroad car in the forest of Compiègne, France. The fighting […]
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On this day in 1895, while experimenting with electricity, Wilhelm Röntgen discovered the X-ray. Photo by CHENGYUAN YANG/ShutterStock.
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Wired: From 1790 until 1870, U.S. patent law required inventors to submit actual physical models of their novel machines along with their drawings and descriptions. These miniature testaments to innovation – “not more than twelve inches square … neatly made” – are the subject of a new exhibition at Harvard University, Patent Republic. The display
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1885 – In Craigellachie, British Columbia, construction ends on the Canadian Pacific Railway extending across Canada. 1910 – The first air freight shipment (from Dayton, Ohio, to Columbus, Ohio) is undertaken by the Wright Brothers and department store owner Max Moorehouse. 1994 – WXYC, the student radio station of the University of North Carolina at
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On this day in 1895 George B. Selden was granted the first U.S. patent for an automobile. And in fiction, but also having to do with automobiles, on this day in 1955, Doctor Emmett Brown discovered time travel in the movie Back to the Future. First, you turn the time circuits on. This one tells
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On this date in 1879, James Ritty, a saloonkeeper and inventor patented the world’s first cash register as “Ritty’s Incorruptible Cashier.” Wikipedia has more details: James Jacob Ritty, saloonkeeper and inventor, opened his first saloon in Dayton, Ohio in 1879, billing himself as a “Dealer in Pure Whiskies, Fine Wines, and Cigars.” Some of Ritty’s
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Holland Sentinal: “The highway centerline has been called the single most important traffic safety device in the history of automobile transportation, and Edward Hines originated it right here in Michigan, â€State Transportation Director Kirk T. Steudle said when accepting the award on behalf of the Hines family and the state. Widely recognized as one of
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Happy Halloween. Happy Reformation Day! 1517 – Protestant Reformation: Martin Luther posts his 95 theses on the door of the Castle Church in Wittenberg. 1913 – Dedication of the Lincoln Highway, the first automobile road across United States. 1941 – After 14 years of work, Mount Rushmore is completed. For more on the history of
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1864 – Helena, Montana is founded after four prospectors discover gold at “Last Chance Gulch”. 1894 – Domenico Melegatti obtains a patent for a procedure to be applied in producing pandoro industrially. 1925 – John Logie Baird creates Britain’s first television transmitter. 1960 – Michael Woodruff performs the first successful kidney transplant in the United
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1886 – The first ticker-tape parade takes place in New York City when office workers spontaneously throw ticker tape into the streets as the Statue of Liberty is dedicated. 1929 – The New York Stock Exchange crashes in what will be called the Crash of ’29 or “Black Tuesday”, ending the Great Bull Market of
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