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  1. the free encyclopedia that anyone can edit. "The Day Before the Revolution" is a science fiction short story by American writer Ursula K. Le Guin (pictured). First published in Galaxy in August 1974, it was republished in Le Guin's The Wind's Twelve Quarters (1975). Set in her fictional Hainish universe, the story has strong connections to her ...

  2. Microsoft Bing, commonly referred to as Bing, is a search engine owned and operated by Microsoft. The service traces its roots back to Microsoft's earlier search engines, including MSN Search, Windows Live Search, and Live Search. Bing offers a broad spectrum of search services, encompassing web, video, image, and map search products, all ...

  3. Wikipedia is a free online encyclopedia that anyone can edit, and millions already have . Wikipedia's purpose is to benefit readers by presenting information on all branches of knowledge. Hosted by the Wikimedia Foundation, it consists of freely editable content, whose articles also have numerous links to guide readers towards more information.

  4. en.wikipedia.org › wiki › PiPi - Wikipedia

    The number π (/paɪ/; spelled out as "pi") is a mathematical constant that is the ratio of a circle's circumference to its diameter, approximately equal to 3.14159. The number π appears in many formulae across mathematics and physics. It is an irrational number, meaning that it cannot be expressed exactly as a ratio of two integers, although ...

  5. en.wikipedia.org › wiki › 5G5G - Wikipedia

    Wireless network technologies. In telecommunications, 5G is the fifth-generation technology standard for cellular networks, which cellular phone companies began deploying worldwide in 2019, and is the successor to 4G technology that provides connectivity to most current mobile phones. Like its predecessors, 5G networks are cellular networks, in ...

  6. en.wikipedia.org › wiki › SwastikaSwastika - Wikipedia

    The swastika is a symbol with many styles and meanings and can be found in many cultures. The appropriation of the swastika by the Nazi Party is the most recognisable modern use of the symbol in the Western world. The swastika (卐 or 卍) is an ancient religious and cultural symbol, predominantly found in various Eurasian cultures, as well as some African and American ones.

  7. The above expansion holds because the derivative of e x with respect to x is also e x, and e 0 equals 1. This leaves the terms (x − 0) n in the numerator and n! in the denominator of each term in the infinite sum. History The ancient Greek philosopher Zeno of Elea considered the problem of summing an infinite series to achieve a finite result, but rejected it as an impossibility; the result ...

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