We started to know as far back as 200 years ago about what was happening
Even further back than the 50’s (we knew this because video existed from the TV Science lesson that was then broadcast….see it at this link on YouTube: ). Now this, from 1912. I expect that there was a flurry of research that transpired after that study in 1912 (and which was probably and “skillfully” kept under wraps by the rapidly Continue Reading