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 At Olympics - In a Nutshell Usain Bolt has participated in four Olympics Games and has won 9 gold medals. At the 2004 Athens Olympics, he was hampered by a leg injury and was eliminated in the first round of the 200 metres. At the 2008 Beijing Olympics, he won gold medals in 100m, 200m and 4x100m relay, with the timings of 9.69 seconds, 19.30 seconds and 37.10 seconds respectively.