Question

Explain string theory in single words​

Answer 1

Explanation:

String theory is a set of attempts to model the four known fundamental interactions—gravitation, electromagnetism, strong nuclear force, weak nuclear force—together in one theory. Einstein had sought a unified field theory, a single model to explain the fundamental interactions or mechanics of the universe.

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Answer 2

String theory proposes that the fundamental constituents of the universe are one-dimensional “strings” rather than point-like particles. ... It has since developed into something much more ambitious: an approach to the construction of a complete unified theory of all fundamental particles and forces.