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String theory suggests that the most fundamental building blocks of the universe are not particles like electrons or quarks, but tiny, vibrating strings of energy. It is the vibration and arrangement ...

That's why it's a problem. [For more on the results of experiments at particle accelerators, see Smashing Pictures.] NOVA: What would string theory need to do to make a believer out of you?

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 ...

A piece of this string only 1.6 kilometers long would weigh more than the earth. Others have added to the theory: That symmetry still exists within strings. That strings evolve when vibrations ...

String theory, conceptualized more than 50 years ago as a framework to explain the formation of matter, remains elusive as a "provable" phenomenon. But a team of physicists has now taken a ...

String theory is perhaps the most high-profile candidate for what physicists call a theory of everything – a single mathematical framework capable of describing the entirety of the known universe.