2min chapter

Lex Fridman Podcast cover image

#79 – Lee Smolin: Quantum Gravity and Einstein’s Unfinished Revolution

Lex Fridman Podcast

CHAPTER

Is Locality a Construct?

In quantum field theory there is a precise definition of locality. Field operators corresponding to events in space time, which are space-like separated, commute with each other as operators. It's the thing that bothers me about gravity in general or action at a distance. Same thing that probably bothered Newton, or at least he said a little bit about it. And we saw how this happens in detail in some models,. both computationally and analytically.

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