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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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Paul Hayes: ""According to quantum physics, a system can be in a ’superposition,’..." in The Quantum Engine That...

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RECENT ARTICLES
click titles to read articles

Can Choices Curve Spacetime?
Two teams are developing ways to detect quantum-gravitational effects in the lab.

The Quantum Engine That Simultaneously Heats and Cools
Tiny device could help boost quantum electronics.

The Quantum Refrigerator
A tiny cooling device could help rewrite the thermodynamic rule book for quantum machines.

Time to Think
Philosopher Jenann Ismael invokes the thermodynamic arrow of time to explain how human intelligence emerged through culture.

Lockdown Lab Life
Grounded physicists are exploring the use of online and virtual-reality conferencing, and AI-controlled experiments, to maintain social distancing. Post-pandemic, these positive innovations could make science more accessible and environmentally-friendly.



PODCAST
June 16, 2021

Complete Podcast
 
The FQXi May 2, 2016 Podcast features:
  • Gravitational Waves & a MICROSCOPE on Galileo
  • Wrinkles in Spacetime
  • A Quantum Horror Story
INFO: MP3 file / 42 minutes / 41 MB
DOWNLOAD (right-click Windows, control-click Mac)
LISTEN:
DISCUSS in the FQXi Community Forum
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Featured video in this podcast:
Individual Stories
Gravitational Waves & a MICROSCOPE on Galileo
In the news: the MICROSCOPE experiment launches to test the equivalence principle, as Zeeya and Brendan discuss. And a special report on how the detection of gravitational waves will enable physicists to probe quantum gravity and neutron stars. LIGO physicist Alessandra Buonanno and quantum gravity expert Ted Jacobson talk to Brendan Foster.
INFO: MP3 file / 17 minutes / 16 MB
DOWNLOAD (right-click Windows, control-click Mac)
LISTEN:
Wrinkles in Spacetime
Physicist Sabine Hossenfelder describes her search for defects in spacetime, which could help home in on a theory of quantum gravity, to reporter Colin Stuart.
INFO: MP3 file / 8 minutes / 8 MB
DOWNLOAD (right-click Windows, control-click Mac)
LISTEN:
RELATED LINKS:
A Quantum Horror Story
Are you scared of the monster under the bed? Author Liam Hogan reads his spooky award-winning short story, Ana, and chats about his background in physics and his writing to Zeeya Merali.
INFO: MP3 file / 17 minutes / 17 MB
DOWNLOAD (right-click Windows, control-click Mac)
LISTEN:
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Recent Comments


End of Spacetime, End of Einstein

Nobel Laureate David Gross observed, "Everyone in string theory is convinced...that spacetime is doomed. But we don't know what it's replaced by."

Nima Arkani-Hamed (06:09): "Almost all of us believe that space-time doesn't really exist, space-time is doomed and has to be replaced by some more primitive building blocks."

What scientific idea is ready for retirement? Steve Giddings: "Spacetime. Physics has always been regarded as playing...


Clifford Will: "I must say that when they found the waves, proving Einstein right, I thought it came from an unexpected source (the black holes). I thought it would be neutron stars."

Faking black hole gravitational waves is safe (nobody can expose the fraud) but faking neutron star gravitational waves is dangerous:

"Models predict that the merging of two stellar-mass black holes would not produce light at any wavelength, but if one or two neutron stars were involved in the...


About this dark matter ,there is an interesting road of anayse if we consider the zero absolute.If we take for example our milky way and andromeda the nearest galaxy.We have a sphere of dark matter for both of these galaxies different due to their correlated BH.This mater not baryonic is a reality and if we consider the cold and the spherical volumes, it becomes relevant when we consider stars and this central BH.If the main gravitational informations are from the central cosm sphere,th biggest...

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