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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.

Steve Dufourny: "How to formalise these couplings of scalar fields of the DE and DM in our..." in The Noise of Gravitons

Steve Dufourny: "even I d say that the numbers and the spheres are under specific partitions..." in The Noise of Gravitons

Steve Dufourny: "stop this please, FQXi is well moderated , so don t insist" in George Ellis - How can...

Martin Gray: "What are the different skin conditions that people often face? Every skin..." in George Ellis - How can...

Ulla Mattfolk: "In a statement posted on its website on 27 June, SNRIU said that "due to..." in Global Collaboration

Ulla Mattfolk: "Cont. Of the nuclear countries Sweden and Germany has said no thanks, they..." in Global Collaboration

Steve Dufourny: "Jonathan Dickau ,hope you are well, always cool to have your points of vue,..." in 16th Marcel Grossmann...

Steve Dufourny: "This platform is about theoretical physics, it is irritating to have these..." in 16th Marcel Grossmann...

click titles to read articles

The Math of Consciousness: Q&A with Kobi Kremnitzer
A meditating mathematician is developing a theory of conscious experience to help understand the boundary between the quantum and classical world.

Can We Feel What It’s Like to Be Quantum?
Underground experiments in the heart of the Italian mountains are testing the links between consciousness and collapse theories of quantum physics.

The Thermodynamic Limits of Intelligence: Q&A with David Wolpert
Calculating the energy needed to acquire and compute information could help explain the (in)efficiency of human brains and guide the search for extra-terrestrial intelligence.

Gambling Against the Second Law
Using precision thermometry to make mini heat engines, that might, momentarily, bust through the thermodynamic limit.

Mind and Machine: What Does It Mean to Be Sentient?
Using neural networks to test definitions of 'autonomy.'

July 2, 2022

Complete Podcast
The FQXi October 12, 2016 Podcast features:
  • Creativity & Science
INFO: MP3 file / 41 minutes / 40 MB
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Individual Stories
Creativity & Science
Bestselling science fiction author Neal Stephenson, artist Jayne Tollaksen, and musical physicists Ian Durham, Stephon Alexander & Brendan Foster chat about creativity in physics, novels, art and music, with Zeeya Merali.
INFO: MP3 file / 41 minutes / 40 MB
DOWNLOAD (right-click Windows, control-click Mac)
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Recent Comments

It is somewhat surprising to me that your theory does not include mass-energy equivalence. There is so much evidence that supports the MEE principle that it is difficult for any model to deny MEE.

For example, there is a well-known mass defect the represents of the binding energy of all elements and isotopes above hydrogen. Measurements of mass show this mass defect and the fusion of stars and supernovae as well as the nuclear energy that warms our planet all depend on MEE. I am afraid...

I deny that E=M.

I defined mass. I work with defined properties. Mass is currently officially an undefined property. I have unofficially defined it and put it to use.

"When a ball drops to the floor, isn't that a measure of mass? If you are saying that mass is something in which we must simply believe, I am there as long as you stipulate that action is also something in which you must simply believe. As axioms, their only definitions are with each other or themselves."


Now I am really say that mass and energy are not equivalent and yet you give a photon mass in order to derive gravity. Any theory that denies MEE is really not tenable.

You go on and on about mass not being defined and yet your theory uses mass all of the time. When a ball drops to the floor, isn't that a measure of mass? If you are saying that mass is something in which we must simply believe, I am there as long as you stipulate that action is also something in which you...

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