Celebrating 10 Years of FQXi with Our Most Popular Content From the Past Decade

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BREAKING NEWS



Quantum Properties of Spacetime
May 29, 2020
FQXi's Francesca Vidotto talks in-depth to JSTOR Daily about feminist epistemology, white holes, string theory, and her book (with Carlo Rovelli) on loop quantum gravity.

Gravity Winners
May 29, 2020
The winners of the Gravity Research Foundation essay contest have been announced. Congrats to our members who have won prizes: Eduardo Guendelman (for "Lorentzian Quintessential Inflation" with David Benisty), Craig Hogan (for "Cosmological Constant in Coherent Quantum Gravity"), Thanu Padmanabhan (for "Principle of Equivalence at Planck Scales and the Zero-Point-Length of Spacetime"), and Maulik Parikh & Frank Wilczek (first prize for "The Noise of Gravitons" with George Zhariade).

INSPYRE!
Mar 23, 2020
FQXi is proud to support INSPYRE 2020, “The Hitchhiker’s Guide to the…Universe’”, which is dedicated to the hottest topics from particle physics to cosmology. This year lectures (in English) are online from 30th March to 3rd April. Open to all, especially students & teachers! The course is organised by FQXi's Catalina Oana Curceanu, senior researcher at the National Laboratory of Frascati (LNF), and you can read more here.



 
NEW IN BLOGS

Consciousness and the Collapse of the Wave...
By DAVID CHALMERS
Talk by David Chalmers (New York University), Kelvin McQueen (Chapman University)

Mini-Workshop Website: https://harvardfop.jacobbarandes.com/...

YouTube Channel: https://www.youtube.com/channel/UCPRe...

Foundations of Physics...

The Room in the Elephant: From Undecidability as...
By MARKUS P MUELLER
Talk by Markus Müller (Institute for Quantum Optics and Quantum Information)

Mini-Workshop Website: https://harvardfop.jacobbarandes.com/...

YouTube Channel: https://www.youtube.com/channel/UCPRe...

Harvard Foundations of...

The universe as a quantum many-body system by...
By DANIELE ORITI
The universe as a quantum many-body system

Speaker: Daniele Oriti | LMU München & MCQST



Abstract

Several approaches to quantum gravity suggest that spacetime and geometry are emergent from non-spatiotemporal quantum...




NEW PODCAST EPISODES
Breakthrough Prize winner Jun Ye talks optical lattice clocks; the thermodynamic cost of timekeeping with Marcus Huber; & microbead minimotors help John Bechhoefer investigate information processing in nanomachines and biological systems.
The End of Everything: Astrophysicist Katie Mack on her book describing ways to destroy the universe, & on hints of new physics at the LHC; a quantum engine that heats & cools simultaneously; how the thermodynamic gradient may have driven the evolution of intelligence through culture; & the UK's physics of life network.
'Quantum dots' can teach us about thermodynamics in the nanorealm.



Most Recent:

"The universe as a quantum many-body system"

Daniele Oriti

"Relationship between no-fine-tuning and Bell-KS inequalities"

Eric G Cavalcanti

"Views, variety and the quantum"

Lee Smolin




FORUM UPDATES

Ultimate Reality
The Present State of Physics, Mathematics, and...
By JOE SCHINDLER
This forum will be an appropriate place to discuss the present state of physics, mathematics, and science, as well as for general discussion tangential to these issues.

While the topic of allowed discussion is broad, please make sure all posts...

Ultimate Reality
The Nature of Time
By ZEEYA MERALI
I'm opening up this thread, following requests from users, as a place to discuss general questions and ideas about the nature of time.

Enjoy!

Ultimate Reality
Global Collaboration
By STEVE DUFOURNY
Dear FQXi , I love your platform like you know it, I work my theory and have improved a lot here and on arxiv and in the books, it is important for me but not like the Project, international, universal that I work about.

I create a group of...

 
NEW ARTICLES


Good Vibrations
By COLIN STUART • Sep 27, 2021
Microbead 'motor' exploits natural fluctuations for power.
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Reconstructing Physics
By MIRIAM FRANKEL • Sep 24, 2021
New photon experiment gives new meta-framework, 'constructor theory,' a boost.
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Discuss this article in the FQXi Community Forum (10 posts)

The Quantum Engineer: Q&A with Alexia Auffèves
By MIRIAM FRANKEL • Sep 22, 2021
Experiments seek to use quantum observations as fuel to power mini motors.
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Discuss this article in the FQXi Community Forum (0 posts)

The Quantum Clock-Maker Investigating COVID-19, Causality, and the Trouble with AI
By NICOLA JONES • Jun 23, 2021
Sally Shrapnel, a quantum physicist and medical practitioner, on her experiments into cause-and-effect that could help us understand time’s arrow—and build better healthcare algorithms.
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Discuss this article in the FQXi Community Forum (75 posts)

Connect the Quantum Dots for a New Kind of Fuel
By COLIN STUART • Jun 20, 2021
'Artificial atoms' allow physicists to manipulate individual electrons—and could help to reduce energy wastage in electronic devices.
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Can Choices Curve Spacetime?
By SOPHIE HEBDEN • Mar 16, 2021
Two teams are developing ways to detect quantum-gravitational effects in the lab.
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Discuss this article in the FQXi Community Forum (24 posts)

The Quantum Engine That Simultaneously Heats and Cools
By COLIN STUART • Mar 1, 2021
Tiny device could help boost quantum electronics.
Read article
Discuss this article in the FQXi Community Forum (2 posts)

The Quantum Refrigerator
By NICOLA JONES • Feb 9, 2021
A tiny cooling device could help rewrite the thermodynamic rule book for quantum machines.
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Discuss this article in the FQXi Community Forum (0 posts)

Time to Think
By JOHN FARRELL • Sep 17, 2020
Philosopher Jenann Ismael invokes the thermodynamic arrow of time to explain how human intelligence emerged through culture.
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Discuss this article in the FQXi Community Forum (9 posts)

Lockdown Lab Life
By COLIN STUART • Jun 19, 2020
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.
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Discuss this article in the FQXi Community Forum (4 posts)

Is Causality Fundamental?
By BRENDAN FOSTER • Jun 18, 2020
Untangling how the human perception of cause-and-effect might arise from quantum physics, may help us understand the limits and the potential of AI.
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Discuss this article in the FQXi Community Forum (119 posts)

Building Agency in the Biology Lab
By MIRIAM FRANKEL • Apr 10, 2020
Physicists are using optogenetics techniques to make a rudimentary agent, from cellular components, which can convert measurements into actions using light.
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Discuss this article in the FQXi Community Forum (3 posts)

Think Quantum to Build Better AI
By COLIN STUART • Mar 6, 2020
Investigating how quantum memory storage could aid machine learning and how quantum interactions with the environment may have played a role in evolution.
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Discuss this article in the FQXi Community Forum (5 posts)

Outside the Box
By COLIN STUART • Mar 5, 2020
A proposed quantum set-up that could predict your game-playing strategy resurrects Newcomb’s classic quiz show paradox.
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Discuss this article in the FQXi Community Forum (13 posts)

The Quantum Agent
By NICOLA JONES • Feb 11, 2020
Investigating how the quantum measurement process might be related to the emergence of intelligence, agency and free will.
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Discuss this article in the FQXi Community Forum (18 posts)

First Things First: The Physics of Causality
By KATE BECKER • Jul 16, 2019
Why do we remember the past and not the future? Untangling the connections between cause and effect, choice, and entropy.
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Discuss this article in the FQXi Community Forum (198 posts)

Can Time Be Saved From Physics?
By JOHN FARRELL • Apr 27, 2019
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.
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Discuss this article in the FQXi Community Forum (145 posts)


 
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