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.
One is not better than the other. As history states, Joseph Pilates first created the mat series. Recognizing that the work was difficult and to help his students with his work, he created the Pilates apparatus. The apparatus was created to do some of the work for you.