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BREAKING NEWS



Chasing Universes
Jan 2, 2014
Nature reviews the new book "Our Mathematical Universe" by FQXi guru Max Tegmark.

Year in Physics Review: 2013
Dec 31, 2013
In FQXi's December podcast trilogy Ian Durham counts down the biggest physics advances of 2013. Plus Sara Seager talks about exoplanets and her MacArthur genius grant, Tejinder Virdee describes taking the LHC to Africa, and Abraham Loeb and Dean Astumian debate whether ancient aliens might have existed when the universe was just 15 million years old.

It or Bit?
Oct 31, 2013
Results are in! Winners of our 2013 Essay Contest, It From Bit, or Bit From It, now announced.

 
NEW IN BLOGS

How Should Humanity Steer the Future?
By BRENDAN FOSTER
Greetings all -- Just a quick announcement to say our current essay contest -- How Should Humanity Steer the Future? -- is closed for entries as of now. We are currently reviewing all the great entries that arrived in the past few days, so expect to...

Time and the Nature of Reality
By ZEEYA MERALI
We recently ran an article (courtesy of Nautilus Magazine) in which physicist Paul Davies ran through some open questions about the nature of time.

I want to alert you to another discussion currently taking place on the Big Questions Online...

Is the universe infinite or just really really...
By IAN DURHAM
As promised, this is a follow-up to one of the summary posts from the FQXi conference in Vieques. If you have read those, you may recall that Anthony Aguirre asked the intriguing question: is there any way for us to tell if the universe is infinite...




NEW PODCAST EPISODES
Max Tegmark proposes that consciousness may be another state of matter in his talk at the 4th FQXi International Conference.
Sean Carroll questions conventional wisdom on quantum fluctuations, whether we might be disembodied "Boltzmann Brains" floating through space & eternal inflation leading to a multiverse, in his talk at the 4th FQXi conference.
"What is quantum information *really* good for?" Physicists William Wootters, Caslav Brukner, Andrew Briggs, Raymond Laflamme, Sorin Paraoanu & Gerardo Adesso discuss this question at FQXi's 4th International Conference in Vieques.



FEATURED FQXi MEMBER VIDEOS

video 2011 Essay Contest Award Ceremony
- Anthony Aguirre
video How Big Can the Cosmos Get?
- George F. R. Ellis
video How Do Particles Explain the Cosmos?
- Stephon Alexander




FORUM UPDATES

Ultimate Reality
Classical Spheres, Division Algebras, and the...
By JOY CHRISTIAN
I wish to mention a recent preprint of mine---this one---which is about the prevalent (but false) belief in “quantum non-locality.” I am, in fact, required to post this link here, because this preprint is part of my forthcoming book on Bell’s...

Cosmic Origins
Is the Past Infinite?
By WILLIAM OREM
I interviewed some non-mainstream cosmologists last year for an article, such as those at the Alternative Cosmology Group who hosted the Crisis in Cosmology conference in Portugal in 2005. These are credible folks who think the Standard Model (the...

Ultimate Reality
The limits of mathematics
By IAN DURHAM
I realize this forum hasn't gotten much action lately, but I'm hoping enough people pop on here that I get some feedback on this (particularly some of the membership who may have worked on or thought about related problems).

What I am...

 
NEW ARTICLES


Reality's NeverEnding Story
By KATE BECKER • Apr 17, 2014
A quantum version of Darwinian natural selection could enable the universe to write itself into being.
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Discuss this article in the FQXi Community Forum (5 posts)

The Quantum Dictionary
By NICOLA JONES • Mar 10, 2014
Mark Van Raamsdonk is re-writing how we define the shape of our universe. Can such translations help to unite quantum theory and gravity?
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Discuss this article in the FQXi Community Forum (10 posts)

Q&A with Paul Davies: What is Time?
By JOHN STEELE • Feb 16, 2014
Where does time come from? Why does it seem to flow?
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Discuss this article in the FQXi Community Forum (48 posts)

Quantum Computers Get Real
By BOB SWARUP • Jan 22, 2014
Fighting decoherence to scale up quantum technologies.
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Discuss this article in the FQXi Community Forum (5 posts)

Q&A with David Rideout: Testing Reality in Space
By COLIN STUART • Sep 19, 2013
Satellite experiments could soon investigate the boundaries of quantum physics and relativity.
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Discuss this article in the FQXi Community Forum (82 posts)

Classic Article: The Art of Math
By SOPHIE HEBDEN • Jul 31, 2013
A pictorial branch of mathematics could help physicists draw new conclusions about quantum gravity and the nature of time.
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Discuss this article in the FQXi Community Forum (13 posts)

Readers' Choice: Cheating the Causal Game
By SOPHIE HEBDEN • Jun 24, 2013
A new quantum framework that blurs cause-and-effect at a fundamental level could improve information processing and lead to a theory of quantum gravity.
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Discuss this article in the FQXi Community Forum (191 posts)

Discord in the Quantum World
By BOB SWARUP • May 20, 2013
An alternative quantum resource to entanglement could help physicists in the quest to construct a quantum computer.
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Discuss this article in the FQXi Community Forum (14 posts)

A View From the Top
By KATE BECKER • Apr 8, 2013
Thinking of causation as a "two-way street"—along which the passage of information can be inverted—could have implications for the origin of life.
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Discuss this article in the FQXi Community Forum (22 posts)

The Accidental Universe
By BOB SWARUP • Jan 8, 2013
Have we been fooled into seeing one form of reality, with particular fundamental forces and laws, based on the peculiar way that we have chosen to measure time?
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Discuss this article in the FQXi Community Forum (655 posts)

Faster Than Light
By SOPHIE HEBDEN • May 22, 2012
A controversial theory in which light broke its own speed limit in the early universe joins forces with string theory and loop quantum gravity to solve cosmic mysteries.
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Discuss this article in the FQXi Community Forum (801 posts)


 
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