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  2. Hourglass - Wikipedia

    en.wikipedia.org/wiki/Hourglass

    An hourglass (or sandglass, sand timer, or sand clock) is a device used to measure the passage of time. It comprises two glass bulbs connected vertically by a narrow neck that allows a regulated flow of a substance (historically sand ) from the upper bulb to the lower one due to gravity .

  3. Hyperbolic angle - Wikipedia

    en.wikipedia.org/wiki/Hyperbolic_angle

    The curve represents xy = 1. A hyperbolic angle has magnitude equal to the area of the corresponding hyperbolic sector, which is in standard position if a = 1. In geometry, hyperbolic angle is a real number determined by the area of the corresponding hyperbolic sector of xy = 1 in Quadrant I of the Cartesian plane.

  4. Hyperbolic sector - Wikipedia

    en.wikipedia.org/wiki/Hyperbolic_sector

    A hyperbolic sector is a region of the Cartesian plane bounded by a hyperbola and two rays from the origin to it. For example, the two points (a, 1/a) and (b, 1/b) on the rectangular hyperbola xy = 1, or the corresponding region when this hyperbola is re-scaled and its orientation is altered by a rotation leaving the center at the origin, as with the unit hyperbola.

  5. Codenames (board game) - Wikipedia

    en.wikipedia.org/wiki/Codenames_(board_game)

    Codenames: Duet was released in October 2017 as a two-player cooperative version of the original game. The game packaging includes 200 new word cards which can also be used for the original game. The objective of the game is to reveal all 15 agents within a given number of turns without contacting too many innocent bystanders or the assassin. [5]

  6. Hyperbolic - Wikipedia

    en.wikipedia.org/wiki/Hyperbolic

    of or pertaining to a hyperbola, a type of smooth curve lying in a plane in mathematics Hyperbolic geometry, a non-Euclidean geometry; Hyperbolic functions, analogues of ordinary trigonometric functions, defined using the hyperbola; of or pertaining to hyperbole, the use of exaggeration as a rhetorical device or figure of speech

  7. Constructions in hyperbolic geometry - Wikipedia

    en.wikipedia.org/wiki/Constructions_in...

    Hyperbolic geometry is a non-Euclidean geometry where the first four axioms of Euclidean geometry are kept but the fifth axiom, the parallel postulate, is changed.The fifth axiom of hyperbolic geometry says that given a line L and a point P not on that line, there are at least two lines passing through P that are parallel to L. [1]

  8. Throbber - Wikipedia

    en.wikipedia.org/wiki/Throbber

    A throbber animation like that seen on many websites when a blocking action is being performed in the background. A throbber, also known as a loading icon, is an animated graphical control element used to show that a computer program is performing an action in the background (such as downloading content, conducting intensive calculations or communicating with an external device).

  9. Braid (video game) - Wikipedia

    en.wikipedia.org/wiki/Braid_(video_game)

    Braid is an indie puzzle-platform video game developed by Number None.The game was originally released in August 2008 for the Xbox 360's Xbox Live Arcade service. Ports were developed and released for Microsoft Windows in April 2009, Mac OS X in May 2009, PlayStation 3 in November 2009, and Linux in December 2010.