In reality, we have only a general idea of the processes that might have created the heavy elements in the nebula from which our solar system condensed. He introduced quantization of the energy of lig...In reality, we have only a general idea of the processes that might have created the heavy elements in the nebula from which our solar system condensed. He introduced quantization of the energy of light waves, in multiples of hf, purely as a mathematical trick that happened to produce the right results. But note that along the way, we had to make two crucial assumptions: that the wave was sinusoidal, and that it was a plane wave.