Mr. Wizard's World

Meaning of a Dot, Singing Rod, Mars Ball, Taking Water Apart, Light Activated Weed Killer, Red Wolf, and more (5x7)

Air date: Aug 20, 1988

Through a series of graphic demonstrations, Mr. Wizard and Shan define what a dot means, whether in musical notation, typographic setting or in mathematics a dot is based on its surroundings. Mr. Wizard explains the Meaning of a Dot, Singing Rod, Mars Ball, Shaking Color, Light Activated Weed Killer, Bright Spot Tester, Taking Water Apart, Red Wolf, and Foaming Color Changes.