experiment

A man announces that the viewer is about to watch a test of strength.…

Names and diagrams from science books layer and move across the screen…

An animated diagram shows the first experiments with an amplifying…

A group of kids are sitting on the floor in a classroom with a tape…

A group of kids are sitting on the floor in a classroom with a tape…

This clip starts out with a purple box spinning on the edge of a table…

Charts and diagrams indicating areas of blindness in people with visual…

Research study with a man with damage to the language area of his brain…

Research study with a man with brain damage. He must point to shapes…

Recap of various studies of damage and injury to parts of the human…

Cow grazing in field, cow in laboratory with rubber stopper in its side…

Man talks about about farming/ranching problems and how to solve them…