String theory aims to incorporate gravity into quantum framework from "summary" of The Quantum Theory of Fields by Steven Weinberg,Weinberg S
String theory seeks to go beyond the standard model of particle physics by incorporating gravity into the quantum framework. This is a challenging task, as gravity has always been the odd one out when it comes to quantum theories. The standard model successfully describes three out of the four fundamental forces in nature - electromagnetism, the weak nuclear force, and the strong nuclear force - but it fails to account for gravity. In the realm of quantum mechanics, gravity has posed a significant challenge due to its long-range nature and the fact that it is a universal force that affects all particles equally. String theory proposes a novel approach to this problem by suggesting that the fundamental building blocks of the universe are not point-like particles, but rather tiny, vibrating strings. These strings can oscillate in different modes, giving rise to the various particles and forces that we observe i...
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