Michael Faraday and the Invisible Force That Holds Everything Together

In 1845, Michael Faraday stood in his basement laboratory at the Royal Institution in London, passing a beam of light through a block of heavy glass placed between the poles of a powerful electromagnet. When he activated the magnet, the light twisted. For the first time in human history, someone had demonstrated that invisible forces permeate the physical world, binding matter and energy in ways no eye could see.…