gravity did not need to be discovered :-) everyone was subjected to it all the time on a more serious note, for what is worth, discovering radioactivity was ac

gravity did not need to be discovered :-) everyone was subjected to it all the time on a more serious note, for what is worth, discovering radioactivity was accidental, there was no premeditated thought process, so that does not count ;-) now when it comes to relativity - that indeed required a radical idea, the constancy of speed of light. Which required a genius. Like bitcoin. I did not say bitcoin was better than the theory of relativity, I said on par.