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3 days ago · t. e. The Internet (or internet) [a] is the global system of interconnected computer networks that uses the Internet protocol suite (TCP/IP) [b] to communicate between networks and devices. It is a network of networks that consists of private, public, academic, business, and government networks of local to global scope, linked by a broad array ...
3 days ago · Educational research. Educational technology (commonly abbreviated as edutech, or edtech) is the combined use of computer hardware, software, and educational theory and practice to facilitate learning. [1] [2] When referred to with its abbreviation, "EdTech", it often refers to the industry of companies that create educational technology.
Definition: Absolute Extrema of a Function on a Closed Interval. For a function 𝑓 ( 𝑥) on an interval [ 𝑎, 𝑏], we say the function has an absolute maximum at 𝑥 = 𝑐 on the interval [ 𝑎, 𝑏], if 𝑓 ( 𝑥) ≤ 𝑓 ( 𝑐) for all values of 𝑥 ∈ [ 𝑎, 𝑏];
3 days ago · Svalbard ( / ˈsvɑːlbɑːr ( d )/ SVAHL-bar (d), [4] Urban East Norwegian: [ˈsvɑ̂ːɫbɑr] ), previously known as Spitsbergen or Spitzbergen, is a Norwegian archipelago in the Arctic Ocean. North of mainland Europe, it lies about midway between the northern coast of Norway and the North Pole. The islands of the group range from 74° to 81 ...
3 days ago · Meditation is a practice in which an individual uses a technique – such as mindfulness, or focusing the mind on a particular object, thought, or activity – to train attention and awareness, and achieve a mentally clear and emotionally calm and stable state.
3 days ago · Nazi Germany, [h] officially known as the German Reich [i] and later the Greater German Reich, [j] was the German state between 1933 and 1945, when Adolf Hitler and the Nazi Party controlled the country, transforming it into a totalitarian dictatorship. The Third Reich, [k] meaning "Third Realm" or "Third Empire", referred to the Nazi claim ...
3 days ago · The Cold War was a period of geopolitical tension between the United States and the Soviet Union and their respective allies, the Western Bloc and the Eastern Bloc, that started in 1947, two years after the end of World War II and lasted to 1991, the fall of the Soviet Union. The term cold war is used because there was no large-scale fighting ...
