IT'S A EURO-ROVER, OLD MAN! wrote:

"Mike" wrote in message

Gravity is still, AFAIK defined by Newton's original hypothesis.
Unless you know different?

Gravity is defined by the rate of change of density lines in the fabric
of
space. I somehow doubt if Newton had quite this in mind.

Newton had no way of measuring the rate of change of density lines in the
fabric of space.

Just exactly how TF do you do it?

With a ruler and a stopwatch.

Or maybe that was measuring something else, I forget.

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Nothing to be done.