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Is Einstein's Theory of Gravity a Theory of Everything?
String theory was supposed to unite that fourth force with the other three forces, and it was supposed do it all in an elegant, beautiful way. Over the last 20 years, or 30, actually, forty years, people 'v been working on it. It doesn't seem to be deliveringits on its promise, after muchmuch work by some of the most brilliant people. But that just shows you, but t, they're all following their their feelings about what wat to work. And everyone uses their own, their own feelings to to guide them as to which one to to engage in.