Pizza is a national food of Italy and the Italian people love it. Pizza is a simple recipe but has so many variations and styles that it that it has become one of the most popular foods in the world. Basic pizza is a freshly made bread base with tomato sauce and cheese topping.
Pascal's principle: Pascalâs principle, in fluid (gas or liquid) mechanics, statement that, in a fluid at rest in a closed container, a pressure change in one part is transmitted without loss to every portion of the fluid and to the walls of the container.
Pascal (Pa) is the metric SI unit of pressure and the standard pressure unit in the MKS metric system, equal to one newton. Sounds impressive, but in traditional English. terms a pascal is only 0.000 145 pounds per square inch (0.020 885 lbf/ft2 or 0.007 50 mmHg).