On 8/12/2017 3:31 am, Bruno Marchal wrote:
On 06 Dec 2017, at 12:19, Bruce Kellett wrote:
But as I pointed out, thermal motion gives momenta of magnitudes such
that the quantum uncertainties are negligible compared to the thermal
randomness. And thermal motions are not coherent.
You seem to work in Bohr QM, with some dualism between the quantum
reality and the classical reality.
Not at all. The (semi-)classical world emerges from the quantum
substrate; if you cannot give an account of this, then you have failed
to explain our everyday experience. And explaining that experience is
the purpose of physics.
You are right that this does not change anything FAPP, but our
discussion is not about practical applications, but metaphysics.
No, we were talking about tossing a coin, we were not talking about
metaphysics. Your metaphysics has served merely to confuse you to the
extent that you do not understand even the simplest physics.
Bruce
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