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Have you ever wondered why objects have different colors? Have you also ever wondered what it would be like to work as a secret agent and send secret messages to people? Conduct this experiment to fin ...
Plane (flat) mirrors have a reflective surface that bounces back light within 180 degrees of the mirror's face. We use these mirrors every day in our bathrooms, bedrooms, and cars. When you look in a ...
You’re sitting under a tree on a sunny day. There are bright circles of light of light from the sun making chaotic patterns on the grass. Where do you suppose they come from? How does distance affect ...