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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.
RECENT FORUM POSTS

Georgina Woodward: "The preceding posts present arguments against Mach's principle" in Bonus Koan: Distant...

Lorraine Ford: "Ian Durham, Your way of measuring “free will” is based on an..." in Measuring Free Will: Ian...

Georgina Woodward: "Re. my "Arms affected by mechanical forces..." There is the force at the..." in Bonus Koan: Distant...

Joe Fisher: "Dear Dr. Kuhn, Today’s Closer To Truth Facebook page contained this..." in First Things First: The...

Steve Dufourny: "Lie groups, there are SU(N),SO(N),Sp(N), and the exceptional G_2, F_4, E_6,..." in Measuring Free Will: Ian...

Robert McEachern: "Real measurements of what? Bell's theorem is a mathematical theorem, not a..." in The Physics of...

Lorraine Ford: "People like Susan Schneider and Max Tegmark are barking up the wrong tree. ..." in Designing the Mind: Susan...

Steve Agnew: "Here is a nice slide from Gu's talk that shows the superposition of..." in Memory, Causality and...


RECENT ARTICLES
click titles to read articles

First Things First: The Physics of Causality
Why do we remember the past and not the future? Untangling the connections between cause and effect, choice, and entropy.

Can Time Be Saved From Physics?
Philosophers, physicists and neuroscientists discuss how our sense of time’s flow might arise through our interactions with external stimuli—despite suggestions from Einstein's relativity that our perception of the passage of time is an illusion.

Thermo-Demonics
A devilish new framework of thermodynamics that focuses on how we observe information could help illuminate our understanding of probability and rewrite quantum theory.

Gravity's Residue
An unusual approach to unifying the laws of physics could solve Hawking's black-hole information paradox—and its predicted gravitational "memory effect" could be picked up by LIGO.

Could Mind Forge the Universe?
Objective reality, and the laws of physics themselves, emerge from our observations, according to a new framework that turns what we think of as fundamental on its head.



PODCAST
August 20, 2019

Complete Podcast
 
The FQXi August 9, 2019 Podcast features:
  • Building an AI Physicist -- Max Tegmark
INFO: MP3 file / 15 minutes / 37 MB
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Individual Stories
Building an AI Physicist -- Max Tegmark
Cosmologist Max Tegmark describes the challenges with creating trustworthy artificial intelligence, and his own project writing a code that used neural networks to re-discover 100 equations from the Feynman lectures. From the 6th FQXi meeting, in Tuscany.
INFO: MP3 file / 15 minutes / 37 MB
DOWNLOAD (right-click Windows, control-click Mac)
LISTEN:
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Recent Comments


As usual, a very interesting but very short discussion of a very complex symbolic regression, which is at the very root of artificial intelligence (AI). As usual, it is necessary to read the technical paper to get any idea whatsoever about what the hey Tegmark is talking about.

So, what his student did is a very nice Ph.D. project, but does not really have any measurable precursors for free will or consciousness, but is fun anyway...

The paper starts with a list of six necessary...


Ask not what AI can do for you – ask what you can do for AI. That was the challenge that Max Tegmark (cosmologist at MIT and one of FQXi’s scientific directors) laid down to his fellow physicists at the recent FQXi meeting in Tuscany.

AI systems have been extremely successful — but there are still problems. For instance, algorithms used to help make decisions in the justice system have been found to display racial bias — trained in from biased datasets. These black box systems...

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