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.
When President Obama (right) met Usain Bolt (left) he could not resist joining the world-class sprinter in striking his trademark 'lightning pose'. Before striking Bolt's signature pose, Obama praised him saying that 'nobody's ever been faster'.