A defence of string theory
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String theory has been very influential within theoretical physics for the past few decades. It is the most popular attempt to solve the problem of formulating a viable theory of quantum gravity. Furthermore, it also unifies the other fundamental forces within one theoretical framework. In string theory, it is assumed that what before was thought to be point particles should really be seen as one-dimensional extended entities, i.e. strings. Different particles are supposed to correspond to various vibrational patterns of the strings.
In recent years, much critique has been directed towards string theory, and the fact that it inhabits such a strong position within the theoretical physics community. The main complaint is the complete lack of empirical confirmation of new predictions derived from string theory. The books, criticizing string theory, that have received most attention are the ones written by Smolin (2006), Woit (2006), but there are many more critics some of which express...
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