radiation
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40:29What is the Ultraviolet Catastrophe?
2.7M views • 6 years ago
Physics Explained
A detailed 40-minute explanation of the ultraviolet catastrophe, covering Rayleigh and Jeans' classical treatment of blackbody radiation and Planck's quantum hypothesis. It follows the Eisberg and Resnick textbook treatment.
1:04:52'A Universe From Nothing' by Lawrence Krauss, AAI 2009
2.6M views • 17 years ago
Richard Dawkins Foundation for Reason & Science
Lawrence Krauss's 2009 talk on the current picture of the universe, how it will end and how it could have come from nothing. It covers the expanding universe, cosmic background radiation and the cosmological constant.