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Removed the word "simple" because it is not accurate; and more precision on why people would study it |
Corrected the statement that strings are slices of a two-dimensional membrane. This is not the correct mathematical statement and picture to convey |
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Five major string theories were developed and found to be mathematically consistent with the principle of all matter being made of strings. Scientists were not comfortable with having five different versions of string theory.
Speaking at the string theory conference at the University of Southern California in 1995, [[Edward Witten]] of the [[Institute for Advanced Study]] [[second superstring revolution|suggested that]] the five different versions of string theory might be describing the same thing seen from different perspectives.<ref>{{Cite web |url=http://physics.usc.edu/Strings95/program.html |title=University of Southern California, Los Angeles, Future Perspectives in String Theory, March 13-18, 1995, E. Witten: Some problems of strong and weak coupling |access-date=2017-04-08 |archive-date=2020-11-15 |archive-url=https://web.archive.org/web/20201115210233/http://physics.usc.edu/Strings95/program.html |url-status=live }}</ref> He proposed a unifying theory called "[[M-theory]]", which brought all of the string theories together. It did this by asserting that strings are
==Status==
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