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.
This research was centered in St. Petersburg where Leonhard Euler, a colleague of Daniel and a student of Johann, generalized a rate-of-change dependence of pressure and density on speed of flow. Bernoulli's principle for liquids was then formulated in modern form for the first time. It was known that a moving body exchanges its kinetic energy for potential energy when it gains height. Daniel realised that in a similar way, a moving fluid exchanges its kinetic energy for pressure.