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  1. Quantum mechanics - Wikipedia. Contents. hide. (Top) Overview and fundamental concepts. Mathematical formulation. Time evolution of a quantum state. Uncertainty principle. Composite systems and entanglement. Equivalence between formulations. Symmetries and conservation laws. Examples. Free particle. Particle in a box. Harmonic oscillator.

  2. the free encyclopedia that anyone can edit. 6,832,760 articles in English. From today's featured article. Bill Newton (8 June 1919 – 29 March 1943) was an Australian recipient of the Victoria Cross, honoured for his actions as a bomber pilot in Papua New Guinea during March 1943.

  3. en.wikipedia.org › wiki › MicrometreMicrometre - Wikipedia

    The micrometre ( Commonwealth English) as used by the International Bureau of Weights and Measures; [1] SI symbol: μm) or micrometer ( American English ), also commonly known by the non-SI term micron, [2] is a unit of length in the International System of Units (SI) equalling 1 × 10−6 metre (SI standard prefix "micro-" = 10−6 ); that is, one mi...

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

    Wikipedia [c] is a free content online encyclopedia written and maintained by a community of volunteers, known as Wikipedians, through open collaboration and the wiki software MediaWiki.

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

    Not to be confused with Unami. Umami. Soy sauce, ripe tomatoes and miso are examples of foods rich in umami components. Umami ( / uːˈmɑːmi / from Japanese: 旨味 Japanese pronunciation: [ɯmami] ), or savoriness, is one of the five basic tastes. [1] . It has been described as savory and is characteristic of broths and cooked meats.

  6. 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 ...

  7. en.wikipedia.org › wiki › MesopotamiaMesopotamia - Wikipedia

    Mesopotamia is the site of the earliest developments of the Neolithic Revolution from around 10,000 BC.

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