“When Maxwell’s equations didn’t pick out any aether or any physical medium whatsoever for light it was because there is no physical medium! Light isn’t in the physical world. It’s exactly what isn’t physical.” PhilosophyLightScienceMaxwellMediumAetherLorentz Book:Ontological Mathematics Versus Einstein's Special Theory of Relativity Source: Ontological Mathematics Versus Einstein's Special Theory of Relativity