On 12/31/2017 7:46 AM, Bruno Marchal wrote:

On 27 Dec 2017, at 23:24, Brent Meeker wrote:

So you think Bruno's theory fails because spacetime is discrete?

However, gamma ray propagation from distant supernova show no dispersion, which implies that spacetime is smooth to severl orders of magnitude below the Planck scale.

But either way the physics a cannot be compared to Bruno's theory because his theory makes not definite prediction even about the existence of spacetime.

To criticize metaphysics/theology because it predicts less physical things than physics, is like criticizing quantum mechanics because it is very hard to use it in making pizza better.

I'm not the one who suggested the comparison.  It was Jason; but you didn't take exception to that.

Brent

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