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From the first Apple computer to the COVID-19 vaccine, here are the most revolutionary inventions that were born in the U.S.A. in the past half-century.
1945: Howard Florey Mass production of penicillin; 1947: William Shockley, John Bardeen and Walter Brattain invent the first transistor; 1948: Claude Elwood Shannon: 'A mathematical theory of communication' a seminal paper in Information theory. 1948: Richard Feynman, Julian Schwinger, Sin-Itiro Tomonaga and Freeman Dyson: Quantum electrodynamics
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. [479] 1945: Willard Libby began his work on radiocarbon dating.
[5] The Patent Act of 1836 (Ch. 357, 5 Stat. 117) further clarified United States patent law to the extent of establishing a patent office where patent applications are filed, processed, and granted, contingent upon the language and scope of the claimant's invention, for a patent term of 14 years with an extension of up to an additional 7 years ...
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; Timeline of United States inventions (after 1991), after the dissolution of the Soviet Union
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]
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.
The Hungarian engineer Dénes Mihály patented an image scanning with line deflection, in which each point of an image is scanned ten times per second by a selenium cell. August Karolus (1893–1972) invents the Kerr cell, an almost inertia-free conversion of electrical pulses into light signals. He was granted a patent for his method of ...