Quantum physics was built on the problem of wave particle duality. Light (and "electromagnetic radiation" in general) was discovered to have both the properties of a wave and a particle. Yet this discovery was full of problems because the wave nature of light was never technically proven. This despite the fact that everything you read in physics class says that light is both a wave and a particle. While the particle nature of anything has never been disproven, the wave nature of anything other than waves in a medium has never been proven.
But quantum physics as is generally interpreted disposed of the idea of ether, the hypothetical substance that made up space in the period of classical physics, which is the medium in which the propagation of the waves of electromagnetic radiation was originally conceived. So then how can a wave be a wave without a medium? This is quite a big problem.
Now the new concepts presented by Mark McCutcheon solve the problem by presenting the idea in a clear way that demonstrates that light is made of electron clusters and as such the number of clusters per second is what creates the frequency of light (which in our current models is directly related to the so called wavelength through the equation c = wavelength X frequency). Mark's Expansion Theory shows that light is not a wave at all, but instead a solid stream of matter moving at light speed (or possibly faster or slower depending on conditions) as a classical physics stream of solid matter. As such light behaves exactly as solid matter should behave in a classical physics reality.
Light has a mass associated with the particle stream of electron clusters, and it has a classical physics inertia associated with the fact it is in motion through space. This inertia is "converted" to "energy" when light strikes an object. Here what we call "energy" is in fact motion imparted by the impacting electron clusters onto the object in question which is also made up of electrons and electron clusters themselves.
This immediately shows us the new paradigm model of processes in the molecular level of the universe. Everything is based on classical physics motions of particles with the exception of the expansion rate of the electron itself (see the core essay on this website for a longer explanation). The easiest part of this idea to understand is that while many of the ideas of physics remain in tact in terms of their utility such as units for force, energy, mass, etc., the actual idea of the physical systems is solely based on one fundamental process: energy in motion. The electrons only provide the mass in the equation which in my core essay is elaborated upon as physical resistance to the passage of motion fundamentally.
Motion can be understood to be essentially the flow or liquidity of the universe. While the electron is a "solid" expanding vibration, the flow of the motion is a transformational effect of dynamic fluid force. In this it is not quantized at all, but instead has the full range of the microinfinite (the infinite range of possible quantification between 1 and 0). This would be consistent with the idea that motion can exist in all possible states of relative speed to other objects.
However, the system created by the expanding electron, when studied completely, would reveal that the expansion itself is what creates the dynamic automatically as a byproduct of the mass transformation of motion. This is an extension of what I have written of in my core essay. Essentially, as electrons expand, the "definition of mass" changes due to the transformation of space caused by the electron's expansion so that vector motion is conserved as well as intertia. Inertia created in the atomic and subatomic realms is thus preserved independent of the electron's transformation of space around it due to its expansion. This follows otherwise energy as we know it would have no meaning and the world around us proves that energy as in the joule appears to be consistently present in terms of actual effect on matter, because, of course it is all connected together rather seamlessly through what we call observation (cue singing angels). This also applies to our classical measurement of force as well.
With this understanding we can see the larger context of Expansion Theory fused to the concept of fluid dynamics with the preservation of mass/inertia. However, what we see at the basic level is purely a physical fluidity of purely physical motion and inertia in physical space with a purely physical transformation of space due to, on the surface, a purely physical expansion of a purely physical vibration which is the electron itself as a vibration that takes the form of a sphere expanding in space. Transdimensional theory gets into the question of what the hell it is that the electron is expanding in and what is its nature incidental to the set of fields of consciousness that exist universally. And that is where we leave material physics behind. But for now, the physicists will have to be satisfied with that answer.