Ambient pressure concept of pressure becomes irrelevant, and it is undefined at a gravitational singularity. The SI unit of pressure is the pascal (Pa), which is a very small unit relative to atmospheric pressure on Earth, so kilopascals (kPa) are more commonly used in this context. The ambient atmospheric pressure at sea level is not constant: it varies with the weather, but averages around 100 kPa. In fields such as meteorology and underwater diving, it is common to see ambient pressure expressed in bar or millibar. One bar is 100 kPa or approximately ambient pressure at sea level. Ambient pressure may in
Jean-Pascal Lacoste Jean-Pascal Lacoste Jean-Pascal Lacoste (also known as Jean-Pascal or Jipé; born 21 June 1978) is a French singer, actor and TV host. In 2001, he participated in the first edition of French TV reality show "Star Academy", but was eliminated on 5 January 2002. He was semi-finalist and participated in the Star Academy Tour. He remained famous for his quarrells with Jenifer Bartoli. After his participation, he released his singles "L'Agitateur" (#2 in France, #1 in Belgium) and "Rue de la liberté" (#13 in France, #3 in Belgium) and his debut album "Jean-Pascal, qui es-tu ?" (#7 in France, #1