ost people believed that
            light propagated through aether, but what it comes down to
            is this: consider all the axioms that apply only to the
            structure, function, and operation, failure, etc. of a <a
            href="./perception-vocab.html#VibrationThroughAMediumSensor">#$VibrationThroughAMediumSensor,</a>
            and of that set how many hold true for eyes --- and the
            answer is No, most of them don't. So parsimony dictates that
                <a href="./