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  1. 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 ...

  2. en.wikipedia.org › wiki › DiamondDiamond - Wikipedia

    Diamond. Typically yellow, brown, or gray to colorless. Less often blue, green, black, translucent white, pink, violet, orange, purple, and red. Diamond is a solid form of the element carbon with its atoms arranged in a crystal structure called diamond cubic. Another solid form of carbon known as graphite is the chemically stable form of carbon ...

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

    A, or a, is the first letter and the first vowel letter of the Latin alphabet,[1][2] used in the modern English alphabet, and others worldwide. Its name in English is a (pronounced /ˈeɪ/ AY), plural aes.[nb 1][2] It is similar in shape to the Ancient Greek letter alpha, from which it derives.[3] The uppercase version consists of the two ...

  4. en.wikipedia.org › wiki › Lana_Del_ReyLana Del Rey - Wikipedia

    Lana Del Rey. Elizabeth Woolridge Grant (born June 21, 1985), known professionally as Lana Del Rey, is an American singer and songwriter. Her music is noted for its cinematic quality and exploration of tragic romance, glamour, and melancholia, with frequent references to contemporary pop culture and 1950s–1970s Americana. [1]

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