What physicist Richard Feynman said about energy is true of many other fundamental scientific concepts as well: "we have no knowledge of what energy is" (Feynman, Leighton, and Sands 1963, p. 4-2).is it serious? physics is no more useful than alchemy? does the author really think alchemists can make, for example, televisions?
To ignore the darkness in key terms of our science -- to claim that mathematics gives us the essence of things when we can't even say what the things are and we have no non-mathematical language adequate to them -- is to be no less in the grip of nonsense than were those medieval thinkers who were content to explain the character of gold by appealing to an occult quality of "goldness".
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posted by troutfishing at 12:48 AM on December 24, 2003