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Mental chronometry is the scientific study of processing speed or reaction time on cognitive tasks to infer the content, duration, and temporal sequencing of mental operations. Reaction time (RT; also referred to as " response time ") is measured by the elapsed time between stimulus onset and an individual's response on elementary cognitive ...
Records 1912–1976. The first manual time of 9.9 seconds was recorded for Bob Hayes in the final of the 100 metres at the 1964 Olympics. Hayes' official time of 10.0 seconds was determined by rounding down the electronic time of 10.06 to the nearest tenth of a second, giving the appearance of a manual time.
The world record in the mile run is the fastest time set by a runner in the middle-distance track and field event. World Athletics is the official body which oversees the records. Hicham El Guerrouj is the current men's record holder with his time of 3:43.13, [ 1] while Faith Kipyegon has the women's record of 4:07.64. [ 2]
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.
Yes, Lyles is the 100-meter champion at the Paris Olympics. The World’s Fastest Man. Just not by very much. The American showman edged out Jamaica’s Kishane Thompson on Sunday by five ...
For a performance to be ratified as a world record by World Athletics, the marathon course on which the performance occurred must be 42.195 km (26.219 mi) long, [34] measured in a defined manner using the calibrated bicycle method [35] (the distance in kilometers being the official distance; the distance in miles is an approximation) and meet other criteria that rule out artificially fast ...
Usain St. Leo Bolt OJ CD OLY [citation needed] ( / ˈjuːseɪn /; [ 12] born 21 August 1986) is a Jamaican retired sprinter, widely considered to be the greatest sprinter of all time. [ 13][ 14][ 15] He is an eight-time Olympic gold medalist and the world record holder in the 100 metres, 200 metres, and 4 × 100 metres relay .
HTV-2 (artist rendering), the fastest uncrewed aerial vehicle. North American X-15, the fastest piloted rocket-powered aircraft. SR-71 Blackbird, the fastest piloted air-breathing aircraft. Rare Bear, the fastest piston-engined aircraft. Musculair 2, the fastest human-powered aircraft.