The Last Theory

E66 - Is everything determined? with Stephen Wolfram

Published: February 13, 2025

Duration: 8:03

Is everything that’s ever going to happen in the universe already determined?

Or does something else – maybe randomness, maybe free will – play a role?

Stephen Wolfram’s answer to this question is straightforward: the ruliad is fully determined.

But there’s a twist. The ruliad is determined, but how we observe the evolution of the universe depends on where we are in the ruliad.

In a fascinating introduction to the role of the observer in the Wolfram model, Stephen touches on some of the deepest philosophical questions in physics, finishing on one of...