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Photo by Natasya Chen on Unsplash
Mersenne’s laws, 1636
1 f₀ = –– 2L
—– F — μ
String theory
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“I think the real reason why people have got attracted by it is because there is no other game in town. All other approaches of constructing grand uni ed theories, which were more conservative to begin with, and only gradually became more and more radical, have failed, and this game hasn’t failed yet.” — David Gross
Photo by Willi Heidelbach, CC BY 2.5
Use of the word “string” to mean any items arranged in a line, series or succession dates back centuries. In 19th-century typesetting, compositors used the term “string” to denote a length of type printed on paper; the string would be measured to determine the compositor’s pay.
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Use of the word “string” to mean “a sequence of symbols or linguistic elements in a de nite order” emerged from mathematics, symbolic logic, and linguistic theory to speak about the formal behavior of symbolic systems, setting aside the symbols’ meaning.