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M-theory is a theory conjectured by [[Edward Witten]] of the Institute for Advanced Study, that would unify the five different superstring theories: [[Type IIA string theory]], [[Type IIB string theory]], [[Heterotic string theory]], [[SO(32) string theory]], and heterotic ''E''₈×''E''₈ string theory; all of these seemingly different string theories are simply limiting cases of the M-theory.  [[Edward Witten]] has used M-theory to explain a number of observed dualities, such as the T-duality, U-duality and S-duality.  The discovery of M-theory is hailed by string theorists as the second superstring revolution.

M-theory is a theory conjectured by [[Edward Witten]] of the Institute for Advanced Study, that would unify the five different superstring theories: [[Type IIA string theory]], [[Type IIB string theory]], [[Heterotic string theory]], [[SO(32) string theory]], and heterotic ''E''₈×''E''₈ string theory; all of these seemingly different string theories are simply different limits of the same underlying M-theory.  [[Edward Witten]] has used M-theory to explain a number of observed dualities, such as the T-duality, U-duality and S-duality.  The discovery of M-theory is hailed by string theorists as the second superstring revolution.

[[Category:Physics]]

[[Category:Physics]]