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Watch · Astrophysics and theoretical physics

Ghost Particles Are Exposing Hidden Black Holes. They Just Won a Nobel Prize.

The Brief

  • The 2026 Nobel Prize in Physics went to Francis Halzen for his role in building IceCube, a neutrino telescope made from a cubic kilometer of Antarctic ice.
  • The video explains how IceCube uses neutrinos to trace cosmic rays to their origins and reveal hidden supermassive black holes.
  • It covers why neutrinos are hard to detect and how earlier neutrino telescopes led to IceCube.
  • It also touches on testing particle physics with IceCube and the case for its Nobel Prize.

Why watch · It explains how a Nobel-winning detector uses elusive neutrinos to probe cosmic rays and black holes that light cannot easily reveal.

  • IceCube
  • Neutrinos
  • Nobel Prize in Physics 2026
  • Supermassive black holes

Summarised by Claude from the video’s title and description – no transcript was available, so check the video for the details.

Chapters

  1. 0:00The Nobel Prize for the World's Largest Telescope
  2. 1:03The Mystery of Cosmic Rays
  3. 2:07Why Neutrinos Are So Hard to Detect
  4. 3:08How We Detect Neutrinos
  5. 5:03The First Neutrino Telescopes
  6. 6:01Turning Antarctic Ice Into a Telescope
  7. 8:18How IceCube Works
  8. 11:02Discovering Cosmic Neutrinos
  9. 11:14Tracing Neutrinos to Supermassive Black Holes
  10. 14:13A New Era of Neutrino Astronomy
  11. 15:05Testing Particle Physics With IceCube
  12. 17:01Why IceCube Deserves a Nobel Prize
Show the full video description ›

Check our Hungry Minds and use the code PBSSpace10 for 10% off The Book: The Ultimate Guide to Rebuilding Civilization https://mdsh.io/nl6lhe2sc5 The 2026 Nobel Prize in Physics went to Francis Halzen for helping turn a cubic kilometer of Antarctic ice into a telescope capable of detecting some of the universe’s most elusive particles: neutrinos. Discover how IceCube uses these ghost particles to trace cosmic rays back to their origins, reveal hidden supermassive black holes, and open an entirely new window on the universe. 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 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 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: Mike Martin 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. © 2026 PBS. All rights reserved. End Credits Music by J.R.S. Schattenberg: https://www.youtube.com/user/MultiDroideka 00:00 The Nobel Prize for the World's Largest Telescope 01:03 The Mystery of Cosmic Rays 02:07 Why Neutrinos Are So Hard to Detect 03:08 How We Detect Neutrinos 05:03 The First Neutrino Telescopes 06:01 Turning Antarctic Ice Into a Telescope 08:18 How IceCube Works 11:02 Discovering Cosmic Neutrinos 11:14 Tracing Neutrinos to Supermassive Black Holes 14:13 A New Era of Neutrino Astronomy 15:05 Testing Particle Physics With IceCube 17:01 Why IceCube Deserves a Nobel Prize Space Time Was Made Possible In Part By: Big Bang Alexander Tamas Filip Rolenec Juan Benet Kenneth See Mark Rosenthal MATTHEW OCKO Morgan Hough Peter Barrett Vinnie Falco Supernova Ethan Cohen Grace Biaelcki Justin Lloyd Mark Heising Rad Antonov Stephen Wilcox Tristan Lucian Claudius Aurelius Tyacke Hypernova Alex Kern Ben Delo chuck zegar Dean Galvin Donal Botkin D. Rollere Gregory Forfa Jeff White John R. Slavik Paul C. Pedersen Pala Massimiliano Patrick O’hara Scott Gorlick Scott Gray