Its pH changes very little when a small or moderate amount of strong acid or base is added to it and thus it is used to prevent changes in the pH of a solution. Buffer solutions are used as a means of keeping pH at a nearly constant value in a wide variety of chemical applications.
The Wizard of Oz movie musical premieres in Oconomowoc, Wisconsin. The Wizard of Oz, starring Judy Garland and featuring words and music by E.Y. âYipâ Harburg and Harold Arlen, receives its world premiere in Oconomowoc, Wisconsin, on this day in 1939.
Frank Morgan, known as the Wizard, was the ruler of Oz and a former assistant at Vorcotec. In 1996, Frank Morgan worked for Vorcotec at their plant in Topeka, Kansas as an assistant. Considering himself undervalued, he locked Dr. Jane Andrews out of the system as they powered up a vortex chamber.