This episode I’ll be exploring one of the greatest mysteries in physics: the incompatibility of general relativity and quantum mechanics. Einstein asserted that gravity is actually the effect caused by space-time curvature. It is very inconvenient that this theory of the very big cannot work with our theory for the very small, the quantum theories that explain how particles behave at the subatomic level. 

At the heart of physics nowadays is a quest to create a new theory of quantum gravity, one that explains our universe in the most accurate – and most satisfying – way. First I will talk about some of the science behind each theory, then how they fail together. Finally I’ll dive into some new ideas at the frontier.

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