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abstraction > hypothesis > theory > unified theory > string theory > superstring theory > type IIB string theory
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type IIB string theory comparison table
Subject is a kind of has definition
superstring theorystring theoryA proposal for the ultimate laws of nature, a "theory of everything," stemming primarily from discoveries in the mid 1980's. The fundamental entity in this theory is an ultramicroscopic string-like object, with a length of typically 10-33 centimeters and effectively zero thickness. At present our understanding of string theory is very limited. The simplest predictions of superstring theory concern processes at the Planck energy, and so far very little is known about the consequences of string theory at lower energies.
type IIB string theorysuperstring theoryOne of the five superstring theories; involves closed strings with left-right asymmetric vibrational patterns.

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