In beaker A, you can see the oil and the water existing in separate layers. In beaker B, the beaker is shaken up, which disperses the oil in the water temporarily. When you set it back down again, however, (beaker C), you can see that it separates again. In beaker D, we added an emulsifier.
Why PI Was Created. PI was created to provide high school students a place where they can create their invention ideas. Too often, students conceive ideas that can change the world. Due to insufficient support and guidance, most high school students cannot bring their invention ideas to life.
March 14 is Pi Day, a day to celebrate the mathematical constant pi (Ï) and to eat lots of pie. Pi Day celebrates the mathematical constant Ï (3.14). Pi Day celebrates the mathematical constant Ï (3.14). Â©iStockphoto.com/marekuliasz. Celebrated in countries that follow the month/day (m/dd) date format, because the digits in the date, March 14 or 3/14, are the first three digits of Ï (3.14), Pi Day was founded by Physicist Larry Shaw in 1988.