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LectureQ4 - Chapter 4 Last time we discovered that...

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4/7/2004 H133 Spring 2004 1 Chapter 4 Last time we discovered that sometimes we must treat light as a wave and sometimes we need to treat it as a particle. This is not very satisfactory after all physicists attempt to define models which are good over a wide range of circumstances (i.e. we like that Newton’s Gravity works for a falling ball on earth and can also explain the orbit of Jupiter around the sun.) Today we want to confront another problem with our view of the universe. That is the behavior of subatomic particles” (I am showing some bias) Protons, electrons, and neutrons These objects behave very much like particles, we can collide them into one-another and at least at low energy they act like billiard balls hitting one another. The leave definite “tracks” in particle detectors.
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