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  2. 10-second barrier - Wikipedia

    en.wikipedia.org/wiki/10-second_barrier

    The 10-second barrier is the physical and psychological barrier of completing the 100 metres sprint in under ten seconds. The achievement is traditionally regarded as the hallmark of a world-class male sprinter. Its significance has become less important since the late 1990s, as an increasing number of runners have surpassed the ten seconds ...

  3. Sprint (running) - Wikipedia

    en.wikipedia.org/wiki/Sprint_(running)

    The world record in the 100-meter dash in 1924 was 10.4 seconds, while in 1948, (the first use of starting blocks) was 10.2 seconds, and was 10.1 seconds in 1956. The constant drive for faster athletes with better technology has brought man from 10.4 seconds to 9.58 seconds in less than 100 years.

  4. 40-yard dash - Wikipedia

    en.wikipedia.org/wiki/40-yard_dash

    40-yard dash. The 40-yard dash is a sprint covering 40 yards (36.576 m). It is primarily run to evaluate the speed and acceleration of American football players by scouts, particularly for the NFL draft but also for collegiate recruiting. A player's recorded time can have a heavy impact on his prospects in college or professional football.

  5. 5 Centimeters per Second - Wikipedia

    en.wikipedia.org/wiki/5_Centimeters_Per_Second

    5 Centimeters per Second. 5 Centimeters per Second ( Japanese: 秒速5センチメートル, Hepburn: Byōsoku Go Senchimētoru) is a 2007 Japanese romantic drama animated film written and directed by Makoto Shinkai. It theatrically premiered on 3 March 2007. The film consists of three segments, each following a period in the life of the ...

  6. Arrow keys - Wikipedia

    en.wikipedia.org/wiki/Arrow_keys

    WASD (,AOE on Dvorak keyboards; ZQSD on AZERTY keyboards) is a set of four keys on a QWERTY or QWERTZ computer keyboard that mimic the inverted-T configuration of the arrow keys. These keys are most commonly used to control the player character 's movement in computer games. W / S control forward and backward, while A / D control strafing left ...

  7. Saturn V - Wikipedia

    en.wikipedia.org/wiki/Saturn_V

    The rocket was human-rated, had three stages, and was powered by liquid fuel. Flown from 1967 to 1973, it was used for nine crewed flights to the Moon, and to launch Skylab, the first American space station . As of 2024, the Saturn V remains the only launch vehicle to have carried humans beyond low Earth orbit (LEO).

  8. Space bar - Wikipedia

    en.wikipedia.org/wiki/Space_bar

    The space bar is on the bottom center of the keyboard. The space bar, spacebar, blank, or space key, [ 1] Space bar is a key on a typewriter or alphanumeric keyboard in the form of a horizontal bar in the lowermost row, significantly wider than all other keys. Its main purpose is to conveniently enter a space, e.g., between words during typing.

  9. Spacetime diagram - Wikipedia

    en.wikipedia.org/wiki/Spacetime_diagram

    A spacetime diagram is a graphical illustration of locations in space at various times, especially in the special theory of relativity. Spacetime diagrams can show the geometry underlying phenomena like time dilation and length contraction without mathematical equations. The history of an object's location through time traces out a line or ...