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ABOUT THE FQXi PODCAST

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 podcast@fqxi.org, and follow us on twitter: @FQXi. The podcast is produced by Zeeya, and music is provided by Baltimore-based Diefenbaker.
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RECENT ARTICLES
click titles to read articles

Untangling Quantum Causation
Figuring out if A causes B should help to write the rulebook for quantum physics.

In Search of a Quantum Spacetime
Finding the universe's wavefunction could be the key to understanding the emergence of reality.

Collapsing Physics: Q&A with Catalina Oana Curceanu
Tests of a rival to quantum theory, taking place in the belly of the Gran Sasso d'Italia mountain, could reveal how the fuzzy subatomic realm of possibilities comes into sharp macroscopic focus.

Dropping Schrödinger's Cat Into a Black Hole
Combining gravity with the process that transforms the fuzzy uncertainty of the quantum realm into the definite classical world we see around us could lead to a theory of quantum gravity.

Does Quantum Weirdness Arise When Parallel Classical Worlds Repel?
Quantum mechanics could derive from subtle interactions among unseen neighboring universes



PODCAST
August 27, 2016

Complete Podcast
 
The FQXi August 21, 2016 Podcast features:
  • What Happens Inside the Wavefunction?
INFO: MP3 file / 22 minutes / 22 MB
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Individual Stories
What Happens Inside the Wavefunction?
Sean Carroll discusses whether space and gravity could emerge from quantum entanglement -- and rewrites physics in terms of quantum circuits. From the 5th FQXi International Meeting.
INFO: MP3 file / 22 minutes / 22 MB
DOWNLOAD (right-click Windows, control-click Mac)
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Recent Comments


I really like the way that Carroll is going with quantum logic and am pleased that he is leaving the many worlds stuff behind. Explaining how the universe works by invoking other universes is a good way to explain everything with nothing but has no useful predictions as a result.

The wavefunction is a useful starting point and the Carroll invokes entropy to make black holes into quantum objects of just matter and action. Since black holes exist with quantum spin, black hole spin and not...


Spacetime has emerged from Einstein's 1905 (false) light postulate - it can have no other origin:

"Special relativity is based on the observation that the speed of light is always the same, independently of who measures it, or how fast the source of the light is moving with respect to the observer. Einstein demonstrated that as an immediate consequence, space and time can no longer be independent, but should rather be considered a new joint entity called "spacetime."

To recover...


On Friday, cosmologist Sean Carroll spoke about his latest research into the emergence of space — and maybe gravity — from quantum entanglement.

Sophie Hebden has profiled Carroll’s work for us, in the article “In Search of a Quantum Spacetime.” Many physicists, when trying to think about what the world looks like on small scales, start with a classical framework — a picture of the world in which objects have definite properties — and then try to modify it to make it...

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