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. [481] 1945: Willard Libby began his work on radiocarbon dating.
An axe made of iron, dating from the Swedish Iron Age, found at Gotland, Sweden: Iron—as a new material—initiated a dramatic revolution in technology, economy, society, warfare and politics. A technological revolution is a period in which one or more technologies is replaced by another new technology in a short amount of time.
Map of Asia for early 20th century. The European powers had control of other parts of Asia by the early 20th century, such as British India, French Indochina, Spanish East Indies, and Portuguese Macau and Goa. The Great Game between Russia and Britain was the struggle for power in the Central Asian region in the nineteenth century.
Science and technology in Asia is varied depending on the country and time. [1] In the past, among Asian civilizations considered particularly notable for their contributions to science and technology were India , China and the West Asian civilizations. [ 2 ]
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 Cold War between the "West" (the United States, Western Europe, and Japan) and the "East" (the Soviet Union, Eastern Europe, and China) dominated politics from the end of World War II in 1945, until the collapse of the Soviet Union in 1991, at which point the Cold War ended and the post–Cold War era began (which includes most of the 1990s ...
The post –Cold War era is a period of history that follows the end of the Cold War, which represents history after the dissolution of the Soviet Union in December 1991. This period saw many former Soviet republics become sovereign nations, as well as the introduction of market economies in eastern Europe. This period also marked the United ...
The Great Divergence or European miracle is the socioeconomic shift in which the Western world (i.e. Western Europe and the parts of the New World where its people became the dominant populations) overcame pre-modern growth constraints and emerged during the 19th century as the most powerful and wealthy world civilizations, eclipsing previously ...