刘进平
费曼对哲学的污蔑不必太当真
2014-8-2 14:56
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Richard Feynman: Philosophy is bullshit

Feynman - Philosophy is bullshit | physicshead

physicshead.blogspot.com/2008/03/feynman-philosophy-is...

Feynman - Philosophy is bullshit "My son is taking a course in philosophy, and last night we were looking at something by Spinoza and there was the most childish ...

 

Richard Feynman: "Philosophy of science is about as useful to scientists as ornithology is to birds."

 

Richard Feynman: Philosophers, incidentally, say a great deal about what is absolutely necessary for science, and it is always, so far as one can see, rather naive, and probably wrong.

Another most interesting change in the ideas and philosophy of science brought about by quantum mechanics is this: it is not possible to predict exactly what will happen in any circumstance. For example, it is possible to arrange an atom which is ready to emit light, and we can measure when it has emitted light by picking up a photon particle, which we shall describe shortly. We cannot, however, predict when it is going to emit the light or, with several atoms, which one is going to. You may say that this is because there are some internal “wheels” which we have not looked at closely enough. No, there are no internal wheels; nature, as we understand it today, behaves in such a way that it is fundamentally impossible to make a precise prediction of exactly what will happen in a given experiment. This is a horrible thing; in fact, philosophers have said before that one of the fundamental requisites of science is that whenever you set up the same conditions, the same thing must happen. This is simply not true, it is not a fundamental condition of science. The fact is that the same thing does not happen, that we can find only an average, statistically, as to what happens. Nevertheless, science has not completely collapsed. Philosophers, incidentally, say a great deal about what is absolutely necessary for science, and it is always, so far as one can see, rather naive, and probably wrong. For example, some philosopher or other said it is fundamental to the scientific effort that if an experiment is performed in, say, Stockholm, and then the same experiment is done in, say, Quito, the same results must occur. That is quite false. It is not necessary that science do that; it may be a fact of experience, but it is not necessary.

From Lectures on Physics, volume I, chapter 2.

 

 

Edward Feser: Why are (some) physicists so bad at philosophy?

 

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