In the video, Sean Carroll discusses the many-worlds interpretation of quantum mechanics. He argues that this interpretation is more accurate than the traditional Copenhagen interpretation. He explains that the theory of the many-worlds interpretation was first developed by Hugh Everett in the 1950s and has been supported by various experiments.
Sean Carroll discusses the many-worlds interpretation of quantum mechanics with Lex Fridman. He argues that this model is the best way to explain the behavior of particles at a subatomic level. He also discusses how this interpretation could one day explain aspects of human nature.