Modern physicists are concerned with the infinitely largethe universeand the indefinitely smallthe electron. Accepted key to the puzzle of the universe is Einstein's theory of relativity. Crux of the theory is that: 1) nothing moves faster than the speed of light in empty space (186,000 miles per second); and 2) the speed of light is always the same, regardless of the motion of the light's source or of the observers. Most popular explanation of the workings of the electron is the quantum theory, which holds that energy is released and received not in...
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