This program looks at Max Planck’s theory of energy emission as bundles, which he called quanta, and Albert Einstein’s explanation of the photoelectric effect; it further describes how these discoveries led scientists to use both the particle and the wave models to describe the behavior of light. (10 minutes)

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Part of the Series : Wave-Particle Duality

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		Matter Waves This program looks at Louis de Broglie's prediction that particles sometimes behave like waves, and the conditions under which this occurs. It further shows the differences between photons and electrons, and illustrates why both the wave and particle...(more details)		VHS $49.95 DVD $49.95
		Photons This program illustrates the roles of both the particle and the wave models in explaining the behavior of light. Demonstrations show how the work of Arthur Compton and Geoffrey Taylor reinforced each of these models. (10 minutes)(more details)		VHS $49.95 DVD $49.95
		The Wave Model This program examines the development of Christian Huygens' wave model of light behavior, which eventually superseded Newton's particle model. It also illustrates how energy is transmitted through a medium, and demonstrates both Thomas Young's theory...(more details)		VHS $49.95 DVD $49.95
		The Electromagnetic Model This program illustrates James Maxwell's prediction of the existence of electromagnetic waves, and Heinrich Hertz's verification of their existence-a point in time at which the particle model was abandoned and the wave model of light behavior totally...(more details)		VHS $49.95 DVD $49.95
		The Particle Model This program looks at the early explanations of the source and behavior of light, from the ancient Greeks to Isaac Newton's development of the particle model, and illustrates how this model explained geometric reflection, refraction, and dispersion. ...(more details)		VHS $49.95 DVD $49.95

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