Search results
Results From The WOW.Com Content Network
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. [480] 1945: Willard Libby began his work on radiocarbon dating.
The orthogonal parallel lines were separated by one degree intervals, and the map was limited to Southwest Asia and Central Asia. The earliest surviving world maps based on a rectangular coordinate grid are attributed to al-Mustawfi in the 14th or 15th century (who used invervals of ten degrees for the lines), and to Hafiz-i Abru (died 1430).
The following dates are approximations. 700 BC: Pythagoras's theorem is discovered by Baudhayana in the Hindu Shulba Sutras in Upanishadic India. [18] However, Indian mathematics, especially North Indian mathematics, generally did not have a tradition of communicating proofs, and it is not fully certain that Baudhayana or Apastamba knew of a proof.
Europe after the Peace of Westphalia in 1648. After the Peace of Westphalia, which ended the war in favour of nations deciding their own religious allegiance, absolutism became the norm of the continent, while parts of Europe experimented with constitutions foreshadowed by the English Civil War and particularly the Glorious Revolution. European ...
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.
For events dating from the formation of the universe see: Timeline of the early universe For events dating from the formation of the planet to the rise of modern humans see: Timeline of natural history, Timeline of the evolutionary history of life and Timeline of human evolution.
The year 1945 in science and technology involved some ... Kathleen Lonsdale and Marjory Stephenson become the first women elected as Fellows of the Royal Society of ...
The interwar period was also marked by a radical change in the international order, away from the balance of power that had dominated pre–World War I Europe. One main institution that was meant to bring stability was the League of Nations , which was created after the First World War with the intention of maintaining world security and peace ...