Join theoretical physicist Sabine Hossenfelder as she draws on the latest research in quantum mechanics, black holes, string theory and particle physics to explore what modern physics can tell us about the big questions. Watch the Q&A here:    • Q&A: Existential physics: answering l...  

Sabine's book "Existential Physics: A Scientists Guide to Life's Biggest Questions", is available to purchase now: https://geni.us/oBMXZv
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Do we have free will? Is the universe compatible with God? Do we live in a computer simulation? Does the universe think?

In this talk, Sabine explores counterintuitive insights, and interviews with other leading scientists, to reshape your understanding of science and the limits of what we can know.

This talk was filmed at the Ri on 19 August 2022

0:00 Introduction - what is existential physics?
3:54 Does the past still exist?
9:55 The block universe
11:40 Can information be destroyed?
16:42 The measurement problem
17:27 Black hole evaporation
21:20 How did the universe begin?
29:17 Are we part of a multiverse?
34:53 Can particles think?

Sabine Hossenfelder is a physicist and science writer.

Sabine is currently a research fellow at the Frankfurt Institute for Advanced Studies. Sabine's research focuses on the foundations of physics, but her interests extend to the philosophy and sociology of science.

Sabine partly works as science writer. Her writing has been published, among others, in 'Scientific American', 'New Scientist', 'Nautilus', 'Aeon', and the 'New York Times'. Sabine has an active YouTube Channel dedicated to communicating current science news and scientific methods in general.

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