Thus, cavitation is the name given to a mechanism in which vapor bubbles (or cavities) in a fluid grow and collapse due to local pressure fluctuations. These fluctuations can produce a low pressure, in the form of vapor pressure of the fluid.
Usain Bolt was born on August 21, 1986 in Montego Bay, Jamaica as Usain St. Leo Bolt.
Quick Answer. As of October, 2014, Usain Bolt is arguably the fastest runner in the world. Bolt is the first man to win both the 100-meter and 200-meter races in world record times in Olympic Games history. He won two gold medals at the London Olympics for the 100-meter and 200-meter races at consecutive Olympic Games.