Is Mark Harmon the energy-center of the known universe? It may seem self-evident to those who are more naturally attuned to Harmonic Energies, but what does science have to say? The field of Mark-Harmonics goes back half a century, synergetically following the rise of cathode-ray-tube technology and culminating in the identification of at least two Great Harmonic Convergences. Let's begin our exploration of this new and wondrous realm by first charting the scope and reach of the Mark-Harmonic Universe...