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.
Confidence votes 2.4K. The Rubik's cube was invented by Erno Rubik for a reason, it wasn't invented as a toy. He invented to teach the 3 dimensions of objects to his students at Budapest Colledge, as a proffessor in achitecture.nd it was at that moment that I came face to face with  the Big Challenge: What is the way home? - Erno Rubik  That was how the Cube as a puzzle, was invented in the spring of  1974, when the twenty-nine year old Rubik discovered it was not so  easy to realign the colors to match on all six sides.