Fine Structure

How Light Mills Work

John Baez at the n-Category Café asks hard questions of the often-oversimplified light mill (Crookes Radiometer) toy. Fascinating not only for the many explanations that have been proven wrong but also for the many reputable sources that report these wrong explanations as the truth!
http://golem.ph.utexas.edu/category/2008/07/light_mills.html

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