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BREAKING NEWS



Steer the Future Essay Contest Results!
Aug 21, 2014
Watch live at 1PM ET as FQXi's Max Tegmark and Anthony Aguirre reveal the top prizes, and join the Q&A with the winners.

Contest Deadline Extended!
Aug 9, 2014
Thanks to last-minute interest, FQXi will extend the deadline of our Video Contest, by two weeks, to Friday 22 August.

Show Us the Physics!
May 13, 2014
FQXi launches new Video Contest. Show us why physics is fun!

 

Featured Videos:

"The Civilization of the Ruler, the Weight, the Protractor and Sand Glass"

Vad Bobrovskiy

"Do Dice Play God with the Universe"

Victor Stepanow

"How Gravity Makes Things Fall"

Karl Coryat




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...

Your Invitation to FQXi's Online Essay Contest...
By ZEEYA MERALI
The judges have made their decisions…and we can now (almost) reveal the winners of this year's essay contest, which asked: "How Should Humanity Steer the Future?" We had 155 entries this year and we're awarding 16 prizes. Thank you to everyone who...

Quantum theory escapes locality by accepting...
By OSCAR DAHLSTEN
When a ballerina does a pirouette she must escape the friction of the ground in order to get the freedom to move. (Figure 1: Photo by Michael Garner, courtesy of English National Ballet.) She does this by restricting her contact with the ground to...




NEW PODCAST EPISODES
Time travel is simulated in the lab; Alan Guth on the doubts clouding the BICEP2 result; how the Higgs should have destroyed the universe already; & could entropy explain why nature obeys quantum rules?
Andrei Linde and Joao Magueijo on the BICEP2 discovery of primordial gravitational waves; using thermodynamics to explain the origin of gravity; & is quantum entanglement the fundamental glue that binds reality together?
Max Tegmark proposes that consciousness may be another state of matter in his talk at the 4th FQXi International Conference.



FEATURED FQXi MEMBER VIDEOS

video What are the Implications of Cosmology?
- Alan Guth
video How are Multiple Universes Generated?
- Anthony Aguirre
video Is Life and Mind Inevitable in the Universe?
- Andrei Linde




FORUM UPDATES

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...

High Energy Physics
Santa Barbara Gravity Workshop - online...
By STEVEN GIDDINGS
Online proceedings for the 2nd Santa Barbara Gravity Workshop are now available at http://web.physics.ucsb.edu/~giddings/sbgw2/, and include both slides/blackboard photos and audio. This was a very stimulating workshop focussed on foundational...

Ultimate Reality
Alternative Models of Reality
By ZEEYA MERALI
If you have an unconventional, alternative model of reality, then this is the place to discuss it. (This is for contributors who have preliminary ideas and would like feedback, but do not have an academic paper or arXiv preprint and have not given a...

 
NEW ARTICLES


Quantifying Occam
By SOPHIE HEBDEN • Aug 17, 2014
Is the simplest answer always the best? Connecting Medieval monks to computational complexity, using the branch of mathematics known as category theory.
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Discuss this article in the FQXi Community Forum (1 post)

Heart of Darkness
By ANIL ANANTHASWAMY • Jul 23, 2014
An intrepid physicist attempts to climb into the core of black hole.
Read article
Discuss this article in the FQXi Community Forum (1 post)

Why Quantum?
By COLIN STUART • Jun 17, 2014
Entropy could explain why nature chose to play by quantum rules.
Read article
Discuss this article in the FQXi Community Forum (641 posts)

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.
Read article
Discuss this article in the FQXi Community Forum (20 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?
Read article
Discuss this article in the FQXi Community Forum (71 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.
Read article
Discuss this article in the FQXi Community Forum (116 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.
Read article
Discuss this article in the FQXi Community Forum (191 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 (656 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 (984 posts)


 
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