
Mr. Wizard's World
Smoke Rings, To Dig a Mine, Hot vs. Cold Water Bottles, Card Trick, Computer, Alligators and more
TV-G
S3 • E13 Oct 1, 1986 25mSmoke Rings, To Dig a Mine, Hot vs. Cold Water Bottles, Three Pile Card Trick, Computer Reaction Timer, Alligator, Volume Challenges. SMOKE RINGS: As a few drops of milk sink in a glass of water, Chris sees rings which Mr. Wizard identifies as vortex rings. TO DIG A MINE: Deep inside that Colorado mountain, there’s a large supply of valuable ore.