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	Podcast:		Thermal and Statistical Physics
	Episode:		Lecture 7: Planck Blackbody Radiation
	Category:		Education
	Duration:		00:00:00
	Publish Date:		2006-08-20 23:42:08
	Description:		Deriving Planck's law of blackbody radiation. How to use it to tell the temperature of a star. Discussions about stars -- absorption lines and redshifts, and how to get the temperature correct anyway. Student demo of astronomy course software -- very cool. Counting photons is like counting phonons. (Phonons are quantized vibrational modes in solids.) Visual aid: model of a squishy crystal to demonstrate phonons. Debye law of heat capacity due to phonons in solids. Lecture Audio
	Total Play:		0

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