# The NEW Ultimate Energy Cap of the Universe

Page: https://stenobird.com/podcast/pbs-space-time-7778773/the-new-ultimate-energy-limit-of-the-universe
Text version: https://stenobird.com/podcast/pbs-space-time-7778773/the-new-ultimate-energy-limit-of-the-universe.md
Podcast: [PBS Space Time](https://stenobird.com/podcast/pbs-space-time-7778773)
Published: 2026-07-14T11:30:00+00:00
Episode link: https://traffic.megaphone.fm/VG7428190195.mp3?updated=1778669814
Audio file: https://traffic.megaphone.fm/VG7428190195.mp3?updated=1778669814
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JSON: https://stenobird.com/v1/public/podcasts/pbs-space-time-7778773/episodes/the-new-ultimate-energy-limit-of-the-universe
Duration seconds: 1494

## Resource

Remove your personal information from the web at https://joindeleteme.com/SPACETIME and use code SPACETIME for 20% off DeleteMe international Plans: https://international.joindeleteme.com Is there a limit to how much energy you can cram into, or pull out of one patch of space? Well, we thought so, but the James Webb Space Telescope has found a quasar that simultaneously breaks a century-old theoretical limit and may explain the conundrum of gigantic black holes in the early universe. Sign Up on Patreon to get access to the Space Time Discord! https://www.patreon.com/pbsspacetime 15% Off the Entire Merch Store This December https://www.pbsspacetime.com/shop Sign up for the mailing list to get episode notifications and hear special announcements! https://mailchi.mp/1a6eb8f2717d/spacetime Search the Entire Space Time Library Here: https://search.pbsspacetime.com/ Hosted by Matt O'Dowd Written by 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 PBS Digital Studios. This program is produced by Kornhaber Brown, which is solely responsible for its content. © 2024 PBS. All rights reserved. End Credits Music by J.R.S. Schattenberg: https://www.youtube.com/user/MultiDroideka Space Time Was Made Possible In Part By: Big Bang Wojciech Szymski Bryce Fort Peter Barrett Alexander Tamas Morgan Hough Juan Benet Vinnie Falco Mark Rosenthal Supernova Grace Biaelcki Glenn Sugden Ethan Cohen Stephen Wilcox Mark Heising Hypernova Dean Galvin Michael Tidwell Rober…

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## Transcript

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