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#115 – David Wallace on the many-worlds theory of quantum mechanics and its implications

80,000 Hours Podcast

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Navigating the Arrow of Time

This chapter explores the philosophical and physical intricacies surrounding the concept of time and its directional nature. It contrasts the time-symmetrical behavior of subatomic particles with the time-asymmetrical phenomena observed in macroscopic systems, emphasizing the role of the universe's initial conditions in determining entropy. The discussion also probes various theories that address these paradoxes, offering insights into the foundational principles of thermodynamics.

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