# What Is Quantum Field Theory and Why Is It Incomplete?

An episode of [The Joy of Why](https://invisiblenetwork.ai/podcast/1608948873), 10 Aug 2022, 42 min.

Audio: https://dts.podtrac.com/redirect.mp3/tracking.swap.fm/track/sblTq32fyWAjsHzze2LG/dovetail.prxu.org/5340/a753792a-a5a0-4c20-9ab8-ac31af219bcb/Ep11-JOW-QFT-FINAL.mp3

Quantum field theory may be the most successful scientific theory of all time, but there's reason to think it's missing something. Steven Strogatz speaks with theoretical physicist David Tong about this enigmatic theory.

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