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1945: The atomic bomb is developed by the Manhattan Project and swiftly used in August 1945 in the atomic bombings of Hiroshima and Nagasaki, effectively ending World War II. 1945: Percy Spencer, while employed at Raytheon, would patent a magnetron based microwave oven. [481] 1945: Willard Libby began his work on radiocarbon dating.
The following articles cover the timeline of United States inventions: Timeline of United States inventions (before 1890), before the turn of the century; Timeline of United States inventions (1890–1945), before World War II; Timeline of United States inventions (1946–1991), during the Cold War
The Second Machine Age is the term adopted in a 2014 book by Erik Brynjolfsson and Andrew McAfee. The industrial development plan of Germany began promoting the term Industry 4.0. In 2019, at the World Economic Forum meeting in Davos, Japan promoted another round of advancements called Society 5.0. [11] [12]
The invention of writing systems allowed people to record the past more extensively. And as technology evolved, new ways of doing so emerged. Now, in addition to all of that, history can be ...
A timeline of United States inventions (1890–1945) encompasses the innovative advancements of the United States within a historical context, dating from the Progressive Era to the end of World War II, which have been achieved by inventors who are either native-born or naturalized citizens of the United States.
Overall, the entire nation was turned into a vast war machine, affecting society more than any other conflict fought by the United States, except perhaps the Civil War. After winning re-election to unprecedented third and fourth terms, Roosevelt's health was rapidly deteriorating; he died on April 12, 1945.
Heron (c. 10–70), Roman Egypt – usually credited with invention of the aeolipile, although it may have been described a century earlier; John Herschel (1792–1871), UK – photographic fixer (hypo), actinometer; Harry Houdini (1874–1926) U.S. – flight time illusion; Heinrich Hertz (1857–1894), Germany – radio telegraphy ...
12-metre-high (40 ft) sculpture of a stack of books at the Berlin Walk of Ideas, commemorating the invention of modern book printing. The history of books starts with the development of writing, and various other inventions such as paper and printing, and continues through to the modern-day business of book printing.