Theory of Everything Livestreams with Amazing Guests

Theory of Everything Livestreams with Amazing Guests

July 21, 2026 · 4 min

About this episode

This episode features two livestreams discussing Theories of Everything with various experts in the field.

PBS Member Stations rely on viewers like you. To support your local station, go to: http://to.pbs.org/DonateSPACE ↓ More info below ↓ Join two epic livestreams about Theories of Everything! Sign up for prizes, a download link to the videos, and more at http://www.pbsspacetime.com/events. Check out our co-moderator Brian Keating's incredible channel at: https://www.youtube.com/DrBrianKeating July 28 @ 4pm Eastern (8pm UTC) - What is a Theory of Everything? Moderated by Matt O'Dowd & Brian Keating ​Featuring Max Tegmark, Stephon Alexander, James Beacham, Lisa Randall In this 90 minute conversation we explore what Theories of Everything really are outside the hype, dig into the essential physics mysteries that compel us to search for one, and survey the major TOE contenders currently being explored by the physics community. August 4 @ 10:30am Eastern (2:30pm UTC) - Theory of Everything Controversies Moderated by Matt O'Dowd & Brian Keating ​Featuring Lee Smolin, Eric Weinstein, Sabine Hossenfelder Existing Theories of Everything have not yet produced experimental evidence that solves the fundamental challenges facing physics. That lack of progress has opened up a sea of controversy…

People in this episode

Hosts: Matt O'Dowd, Brian Keating

Guests: Max Tegmark, Stephon Alexander, James Beacham, Lisa Randall, Lee Smolin, Eric Weinstein, Sabine Hossenfelder

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Organizations: PBS, PBS Member Stations, PBS Space Time, YouTube

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