Your eye and brain hold on to a series of images to form a single complete picture.

When you look through a narrow slit, you can see only a thin strip of the world around you. But if you move the slit around rapidly, your eye and brain combine these thin strips to make a [...]

Motion Pictures Production Science Project Idea
How motion pictures are produced.The moving picture machine which has come to play such an important part in our lives in giving us recreation and instruction is really a projection lantern in which the pictures to be projected are very small, and developed on a roll of transparent celluloid or [...]

Project Idea

1. Determine the relative candle power of the lights in your home and the cost per candle power.
2. Experiments to show the effect of color of walls upon the illumination of a room.(Suggestion.Use long narrow boxes with differently colored walls.)
3. Experiments to show that sunlight may be broken up into rays of light of [...]