I think this link is a much better treatment of the famous "Benny" experiment: http://blog.mathed.net/2011/07/rysk-erlwangers-bennys-conception-of.html http://b

I think this link is a much better treatment of the famous "Benny" experiment: http://blog.mathed.net/2011/07/rysk-erlwangers-bennys-conception-of.html http://blog.mathed.net/2011/07/rysk-erlwangers-bennys-concep... (with a bonus of less conflict-of-interest.)