At What Point Does Spacetime Become Quantum?

At What Point Does Spacetime Become Quantum?

From PBS Space Time by PBS

April 27, 2026 · 28 min

About this episode

The episode explores the quantum nature of gravity and spacetime, discussing the need for advanced particle colliders and innovative physics approaches.

Learn More About Anydesk: https://anydesk.com/spacetime To observe the quantum nature of gravity and of spacetime itself, we need a particle collider the size of the solar system. Or we could just physics smarter and build one on a lab bench. Here’s how. Sign Up on Patreon to get access to the Space Time Discord! https://www.patreon.com/pbsspacetime Check out the Space Time Merch Store https://www.pbsspacetime.com/shop Sign up for the mailing list to get episode notifications and hear special announcements! https://mailchi.mp/1a6eb8f2717d/spacetime PBS Member Stations rely on viewers like you. To support your local station, go to:http://to.pbs.org/DonateSPACE Search the Entire Space Time Library Here: https://search.pbsspacetime.com/ Hosted by Matt O'Dowd Written by Chistopher Pollack, Boris Ragula, & Matt O'Dowd Post Production by Leonardo Scholzer, Yago Ballarini & Stephanie Faria Directed by Andrew Kornhaber Associate Producer: Bahar Gholipour Executive Producer: Andrew Kornhaber Executive in Charge for PBS: Maribel Lopez Director of Programming for PBS: Gabrielle Ewing Assistant Director of Programming for PBS: John Campbell Spacetime is a production of Kornhaber Brown for…

People in this episode

Host: Matt O'Dowd

Topics covered

  • quantum gravity
  • spacetime
  • particle collider
  • physics
  • science education

Keywords

  • quantum
  • gravity
  • spacetime
  • particle collider
  • physics
  • science
  • education

Sponsors

Anydesk

Mentioned in this episode

Organizations: PBS, Kornhaber Brown, PBS Digital Studios

Products: Anydesk

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