Keywords: atomic, binding energy, blackbody, Bremsstrahlung, characteristic x ray, De Broglie, diffraction Heisenberg uncertainty principle, duality, Einstein, electromagnetic, EM, EM radiation, energy, gamma ray, infrared, interference, IR, light, mass, microwave, momentum, particle, photoelectric effect, photon, Planck, Planck’s constant, probability distribution, PV cell, quantum, radiation, relativity, solar cell, spectra, spectrum, ultraviolet, uncertainty, UV, wave, wavelength, x ray