Question

What is string theory???​

Answer 1

Answer:

String theory proposes that the fundamental constituents of the universe are one-dimensional “strings” rather than point-like particles. ... String theory also requires six or seven extra dimensions of space, and it contains ways of relating large extra dimensions to small ones.

Explanation:

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Answer 2

String theory is a theoretical framework in which the point-like particles of particle physics are replaced by one-dimensional objects called strings.

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