Doppler Effect, Carpet Puzzle, Testing for Glucose, Clean Up Oil, Dinosaur Bones, Fruit Fly and more

Dinosaur Bones, Fruit Fly Center, and more. Mr. Wizard is swinging something at the end of a long rope. In this episode, Mr. Wizard shows the Doppler Effect, Carpet Puzzle, Blow Torch Jet, Fruit Fly Center, Ruler Roarer, Testing for Glucose, Clean Up Oil with Elastol, Piano Stool Spin, What's This, and Dinosaur Bones.