A very, very important note this is. - The deepest theoretical problem
(to my mind) lies in scaling, which is necessary in order to deal with
the very large and the very small. Practical problems with measuring
follow suit. They are just problems of time and efforts. - Once there is
a theoretical lead of how to proceed, they always have been solved.
The role of theories and hypothesis with a theoretica basis, is to show
promising roads ahead. - Just as John wrote.
Kirsti
John F Sowa kirjoitti 12.12.2016 06:17:
On 12/11/2016 7:44 PM, Benjamin Udell wrote:
if electrical field theory contradicts quantum mechanics and the
uncertainty principle, then it is valid (at most) only in a
classical limit.
Quantum Electrodynamics (QED) is the well developed theory
that unifies quantum mechanics and electrodynamics.
The challenge is to unify gravity with QM + ED. There are
hypotheses, but gravity is so weak that its influence is
very hard to detect with earth-based instruments.
Theoretical physicists certainly recognize the need for
experimental tests. Unfortunately, they're running into the
limits of current technology at the very large and very small.
John
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