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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 ...
Scott Flansburg (born December 28, 1963) is an American dubbed "The Human Calculator" and listed in the Guinness Book of World Records for speed of mental calculation. He is the annual host and ambassador for The National Counting Bee, a math educator, and media personality. He has published the books Math Magic and Math Magic for Your Kids.
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]
12 October 1992. 13 October 1992. Concorde FAI "Westbound Around the World" world air speed record from Lisbon, Portugal. [ 27][ 28][ 29] Michel Dupont and Claude Hetru ( Air France ) 31 hours 27 minutes and 49 seconds. 15 August 1995. 16 August 1995. Concorde with 98 passengers and crew, no equatorial crossing.
Pioneer 10 passed by the Moon in 11 hours [36] and became the fastest human-made object at that time. [37] Two days after launch, the scientific instruments were turned on, beginning with the cosmic ray telescope. After ten days, all of the instruments were active. [36]
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 .