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String theory is not even scientific, because it is not [[falsifiable]]: string theory can be utterly false and yet there is no test that would illustrate its falsity.  It must be possible to define an experiment which could contradict the theory for it to qualify as science.  String theory proponent Michio Kaku replies to this glaring defect by stating that string theory may be "too robust" because it is not falsifiable, an obvious non sequitur.

String theory is not even scientific, because it is not [[falsifiable]]: string theory can be utterly false and yet there is no test that would illustrate its falsity.  It must be possible to define an experiment which could contradict the theory for it to qualify as science.  String theory proponent Michio Kaku replies to this glaring defect by stating that string theory may be "too robust" because it is not falsifiable, an obvious non sequitur.

Some string theorists, such as Leonard Susskind, say that string theory may not be testable but may still provide insights on multiple universes.  But his book defending string theory appears by its title be a rant against [[Intelligent Design]]: ''The Cosmic Landscape: String Theory and the Illusion of Intelligent Design."

Some string theorists, such as Leonard Susskind, say that string theory may not be testable but may still provide insights on multiple universes.  But his book defending string theory appears by its title to be a rant against [[Intelligent Design]]: "''The Cosmic Landscape: String Theory and the Illusion of Intelligent Design.''"

== Dark Energy Confounds String Theory ==

== Dark Energy Confounds String Theory ==