Quantum Mechanics.
Most physicists currently believe they have description
of the universe (though they currently admit 90% to 99% of
the universe is in the form of "dark matter" of which they
know nothing except it has gravitational attraction). You
should realize in all of the science there are only
descriptions of how things happen and nothing about why
they happen. Newton gave us the formula for how gravity
worked, and he made no hypotheses as to what gravity really
was, or through what medium it worked, let alone why it
worked. Indeed he did not believe in "action at a distance."
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