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  2. Speed of light - Wikipedia

    en.wikipedia.org/wiki/Speed_of_Light

    v. t. e. The speed of light in vacuum, commonly denoted c, is a universal physical constant that is exactly equal to 299,792,458 metres per second (approximately 300,000 kilometres per second; 186,000 miles per second; 671 million miles per hour).

  3. Geometry Dash - Wikipedia

    en.wikipedia.org/wiki/Geometry_Dash

    Geometry Dash Subzero. Geometry Dash is a side-scrolling music platforming game series developed by Robert Topala. The game was released on 13 August 2013 on iOS and Android, and the Windows and macOS versions on 22 December 2014. In Geometry Dash, players control the movement of an icon and navigate music-based levels while avoiding obstacles ...

  4. Wings at the Speed of Sound - Wikipedia

    en.wikipedia.org/wiki/Wings_at_the_Speed_of_Sound

    Wings at the Speed of Sound. Wings at the Speed of Sound is the fifth studio album by the British–American rock band Wings, released on 26 March 1976. [1] Issued at the height of the band's popularity, it reached the top spot on the US album chart—the band's fourth consecutive album to do so—and peaked at number 2 on the UK album chart.

  5. Speed of Light (Speed song) - Wikipedia

    en.wikipedia.org/wiki/Speed_of_Light_(Speed_song)

    Two music videos were released for the song "슬플약속 (That's My Fault)" featuring Davichi's Kang Minkyung; a dance version and a drama version featuring Park Bo-young, A Pink's Naeun, Ji Chang-wook, and Ha Seok-jin. The part. 2 of drama version for their debut album Superior Speed by title track is "It's Over". Music and video Music

  6. Geometrical optics - Wikipedia

    en.wikipedia.org/wiki/Geometrical_optics

    Geometrical optics. Geometrical optics, or ray optics, is a model of optics that describes light propagation in terms of rays. The ray in geometrical optics is an abstraction useful for approximating the paths along which light propagates under certain circumstances. The simplifying assumptions of geometrical optics include that light rays:

  7. At the Speed of Life - Wikipedia

    en.wikipedia.org/wiki/At_the_Speed_of_Life

    Released: May 27, 1996. "Eyes May Shine". Released: October 15, 1996. "The Foundation". Released: November 11, 1996. At the Speed of Life is the debut studio album by American rapper Xzibit. It was released on October 15, 1996, by Loud Records and RCA Records .

  8. Tachyon - Wikipedia

    en.wikipedia.org/wiki/Tachyon

    Theorized. 1967. A tachyon ( / ˈtækiɒn /) or tachyonic particle is a hypothetical particle that always travels faster than light. Physicists believe that faster-than-light particles cannot exist because they are inconsistent with the known laws of physics. [1] [2] If such particles did exist they could be used to send signals faster than light.

  9. Foucault's measurements of the speed of light - Wikipedia

    en.wikipedia.org/wiki/Foucault's_measurements_of...

    Foucault's measurement confirmed le Verrier's estimate. [5] : 227–234 His 1862 figure for the speed of light (298000 km/s) was within 0.6% of the modern value. [14] As seen in Figure 3, the displaced image of the source (slit) is at an angle 2 θ from the source direction. [8]