An interestring examination on quantum physics, self-determinism, free will and changing the past from Scientific American.

If it isn't molecules, what is it?

There's the 64$ question. The materialist quandary is that such behaviors as knowing, perceiving, etc., appear to point to something else other than material elements, out past the end of the chain of S-R signal links. From the viewpoint of space-time-energy measures, it appears to be a "nothingness" with capabilities.

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