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Re: [Phys-L] Faraday paradox +- pedagogy +- critical thinking

On 2014, May 31, , at 16:19, John Denker <> wrote:

Suggestion: Start with Fermi problems that do not
require very much physics domain knowledge, e.g.
-- how many hairs on your head?

How many people on earth have the same number of hairs (scalp) you have?

Is it provable that there is at least one, or just extremely probable?

bc, how many? easy as he has so few.