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The FQXi podcast brings you the latest ideas in foundational physics and cosmology—and includes interviews with our members and other leading scientists. It's hosted by Zeeya Merali and Brendan Foster. You can contact us at, and follow us on twitter: @FQXi. The podcast is produced by Zeeya, and music is provided by Baltimore-based Diefenbaker.

Joe Fisher: "Dear Steve, Please try to understand that infinite surface am not a..." in Watching the Observers

Steve Agnew: "Supposing the universe is infinite is simply another way of supposing the..." in Watching the Observers

kurt stocklmeir: "spring constant of time and space is not linear - this influences a lot of..." in Alternative Models of...

Kevin Adams: "Very interesting theme! Thanks a lot for this information. I just going to..." in Multiversal Journeys —...

Colin Richardson: ""According to quantum mechanics, a vacuum isn't empty at all. It's actually..." in Manipulating the Quantum...

Lorraine Ford: "Dear Rajiv, I have already addressed your 3 points, but I will put it to..." in FQXi Essay Contest 2016:...

Peter Morgan: "An e-mail sent to me by Springer Nature today tells me that because I am at..." in Manipulating the Quantum...

munized ward: "Variety exists inside all populaces of life forms. This happens somewhat in..." in Natural Selection in...

click titles to read articles

Watching the Observers
Accounting for quantum fuzziness could help us measure space and time—and the cosmos—more accurately.

Bohemian Reality: Searching for a Quantum Connection to Consciousness
Is there are sweet spot where artificial intelligence systems could have the maximum amount of consciousness while retaining powerful quantum properties?

Quantum Replicants: Should future androids dream of quantum sheep?
To build the ultimate artificial mimics of real life systems, we may need to use quantum memory.

Painting a QBist Picture of Reality
A radical interpretation of physics makes quantum theory more personal.

The Spacetime Revolutionary
Carlo Rovelli describes how black holes may transition to "white holes," according to loop quantum gravity, a radical rewrite of fundamental physics.

June 24, 2017

Complete Podcast
The FQXi June 30, 2014 Podcast features:
  • Time Travel Simulated in the Lab
  • BICEP2 Under Scrutiny
  • Higgs the Destroyer
  • Why is Nature Quantum?
INFO: MP3 file / 42 minutes / 41 MB
DOWNLOAD (right-click Windows, control-click Mac)
DISCUSS in the FQXi Community Forum
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Featured video in this podcast:
Individual Stories
Time Travel Simulated in the Lab
Quantum physicists Andrew White & Martin Ringbauer explain how they used photons to simulate an encounter between a time traveller and its younger self. The results violate Heisenberg's Uncertainty Principle and other quantum laws.
INFO: MP3 file / 15 minutes / 15 MB
DOWNLOAD (right-click Windows, control-click Mac)
BICEP2 Under Scrutiny
Extended interview with founder of inflation theory Alan Guth, who reviews the doubts cast on the BICEP2 announcement of the discovery of primordial gravitational waves. He also discusses the implications if the results stand up for grand unified theories, the multiverse, and the Planck data.
INFO: MP3 file / 17 minutes / 17 MB
DOWNLOAD (right-click Windows, control-click Mac)
Higgs the Destroyer
Physicist Malcom Fairbairn calculates that the Higgs boson combined with primordial gravitational waves should have caused the universe to collapse -- unless there is other new physics.
INFO: MP3 file / 9 minutes / 9 MB
DOWNLOAD (right-click Windows, control-click Mac)
Why is Nature Quantum?
Investigating the connection between entropy in thermodynamics and information theory could explain why reality is described by quantum theory, as physicists Jon Barrett and Matt Leifer explain to reporter Colin Stuart.
INFO: MP3 file / 10 minutes / 10 MB
DOWNLOAD (right-click Windows, control-click Mac)
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