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.
Usain Bolt of Jamaica, right, at the finish line of the 100-meter dash at the Olympics in Rio de Janeiro. Credit Doug Mills/The New York Times RIO DE JANEIRO â As the king of sprinting and the biggest global star at the Rio Games, Usain Bolt of Jamaica held aloft his index finger, signaling that he was No. 1, during introductions Sunday night as a smitten crowd chanted his name.