| http://www.w3.org/ns/prov#value | - If string theory is a theory of quantum gravity, then this minimum length scale should be at least the size of the Planck length, which is the length scale made by the combination of Newton's constant, the speed of light and Planck's constant although as we shall see later, the question of length scales in string theory is complicated by string duality, which can relate two theories with seemingly
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