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Armand Fizeau is also famous for his experiment measuring the speed of light through water; the experiment definitively discredited Isaac Newton’s theory that light is composed of small, discrete particles that travel at a finite velocity and possess kinetic energy (the corpuscle theory of light). Research Newton’s theory and Fizeau’s experiment. Then investigate a modern-day application of controlling and manipulating the speed of light—quantum computers—by watching a “Physics for the 21st Century” video from Annenberg Media at
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