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  2. Speed of light - Wikipedia

    en.wikipedia.org/wiki/Speed_of_Light

    Acoustic representation of the speed of light, at every beep the light makes a full circle around the equator Given that the equatorial circumference of the Earth is about 40 075 km and that c is about 300 000 km/s , the theoretical shortest time for a piece of information to travel half the globe along the surface is about 67 milliseconds.

  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. Special relativity - Wikipedia

    en.wikipedia.org/wiki/Special_relativity

    From this, we observe that the speed of light is in every inertial frame. In other words, starting from the assumption of universal Lorentz covariance, the constant speed of light is a derived result, rather than a postulate as in the two-postulates formulation of the special theory. Relativity of simultaneity

  5. Faster Than the Speed of Night - Wikipedia

    en.wikipedia.org/wiki/Faster_Than_the_Speed_of_Night

    Faster Than the Speed of Night is the fifth studio album by Welsh singer Bonnie Tyler. It was released in Europe on 8 April 1983 and later that year in the US through Columbia Records. After releasing four albums on RCA, Tyler signed with CBS Records and changed musical direction. Soon after, she began working with Jim Steinman who produced the ...

  6. 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.

  7. 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:

  8. Speed of Light (Iron Maiden song) - Wikipedia

    en.wikipedia.org/wiki/Speed_of_Light_(Iron...

    Iron Maiden singles chronology. "El Dorado". (2010) " Speed of Light ". (2015) "Empire of the Clouds". (2016) " Speed of Light " is a song by the English heavy metal band Iron Maiden from their sixteenth studio album, The Book of Souls. The song was released as a music video on 14 August 2015 and was also made available as a digital download ...

  9. Lights (Ellie Goulding song) - Wikipedia

    en.wikipedia.org/wiki/Lights_(Ellie_Goulding_song)

    "Lights" is a song by English singer Ellie Goulding from Bright Lights (2010), the reissue of her debut studio album, Lights (2010). Written by Goulding, Richard Stannard and Ash Howes, the song was inspired by Goulding's childhood fear of the dark. It was released on 13 March 2011 as the album's sixth single overall, and second from Bright Lights.