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String theory has its supporters and its gainsayers among theoretical physicists. Even advocates admit that the theory could be entirely wrong (though naturally they don't think it is).

Bootstrapping strings Evidence that string theory could be the sole viable “theory of everything” has emerged in a new theoretical study of particle scattering. (Courtesy: iStock/Anadmist) Striking ...

String theory and quantum gravity are two interconnected fields of theoretical physics that seek to unify the fundamental forces of nature and provide a comprehensive framework for understanding ...