If unlimited cost-free power Tesla found 100 years ago, why has not someone else has discovered?

Tesla power Comments: question eateverywhale : If Tesla discovered unlimited free energy 100 years ago, why not someone else's discovery I preserve hearing this conspiracy theory, as Tesla found unlimited totally free power, but there is a conspiracy to hide it. My question, with 100 years of technological advances and the millions of electrical engineers in the world of function with Tesla devices that appear like a slide rule, compared to a supercomputer would be why any person discovered

Tesla Electricity Works