Light and Colour
You're reading this to learn a little about light. Well, you're going to learn a lot. Right now scientists are still trying to figure out the connection betIen light and matter. Scientists began studying light a long time ago. A big breakthrough happened when Newton started to break light up with prisms in the late 1600s. Only recently have scientists begun to understand how light works and its connection to everything in the Universe.
How "Fast" is the Speed of Light?
Light travels at a constant, finite speed of 186,000 mi/sec. …
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