Ah! The ever-amazing phenomenon of the Internet.
One minute, a person does not know anything -or but a wee bit, about physics and has to pose questions about the science, further indicated (lack of knowledge) by posting comments framed as a question; but within two or three posts, the same person now speaks as an intellectual authority on the very subject.
If the higher institutions of learning were to solve the mystery and use the same method, people could acquire a Ph.D. in a week.