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BREAKING NEWS



Trick or Truth? 2015 Essay Contest
Dec 16, 2014
FQXi launches the next Essay Contest, on the mysterious link between physics and math. Enter by March 4. Good luck and writing!

"Show Me the Physics!" Video Contest Winners
Dec 4, 2014
FQXi announces winners to "Show Me the Physics" Video Contest. Watch the announcement and Q&A with top winners here.

Steer the Future Essay Contest Results!
Aug 21, 2014
Watch Q&A with the winners and FQXi. Read the full list of winners here.

 

Featured Videos:

"Seeing Without Looking"

Dagomir Kaszlikowski

"One Physics To Rule Them All (This Is Physics, part 1)"

Marc S├ęguin

"Why Do I Study Physics?"

Xiangjun Shi




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...

Janus Universes and a Gravitational Arrow of Time
By ZEEYA MERALI
We can always count on FQXi member Julian Barbour to raise the tone of the conversation, this time by referencing the Roman two-faced god Janus with his new theory that explains the origin of time's arrow, using gravity (Phys. Rev. Letts, 113,...

Wigner's Key
By WILLIAM OREM
Here's Eugene Wigner, from "Unreasonable Effectiveness":

"The first point is that the enormous usefulness of mathematics in the natural sciences is something bordering on the mysterious and that there is no rational explanation for...




NEW PODCAST EPISODES
2014 in Review: physicist Ian Durham reveals the top two physics stories of the year; & we give you tips for entering FQXi's new essay contest: "Trick or Truth? The Mysterious Connection Between Physics and Mathematics".
2014 in review: Ian Durham's countdown of the top 5 physics stories of the year continues; & we launch FQXi's RFP "The Physics of What Happens."
2014 in review: Ian Durham picks his top 5 physics stories of the year; & we congratulate the winners of the first FQXi video contest.



FEATURED FQXi MEMBER VIDEOS

video Where Do the Laws of Nature Come From?
- Steven Weinberg
video Is Mathematics Invented or Discovered?
- Stephen Wolfram
video 2011 Essay Contest Award Ceremony
- Anthony Aguirre




FORUM UPDATES

Ultimate Reality
Wave function collapse demystified
By A. GARRETT LISI
There has always been an aura of mystical speculation surrounding quantum mechanics and the role of consciousness. The interpretation of wave function collapse (usually referred to as "the measurement problem") seems to lie at the heart of it. So,...

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...

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...

 
NEW ARTICLES


Searching for the Impossible
By SOPHIE HEBDEN • Jan 16, 2015
A quest to discover which computational tasks can never be resolved.
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Discuss this article in the FQXi Community Forum (18 posts)

Six Degrees to the Emergence of Reality
By CARINNE PIEKEMA • Jan 1, 2015
Physicists are racing to complete a new model of "quantum complex networks" that tackles the physical nature of time and paradoxical features of emergence of classical reality from the quantum world
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Discuss this article in the FQXi Community Forum (31 posts)

Quantum in Context
By NICOLA JONES • Dec 13, 2014
An untapped resource could provide the magic needed for quantum computation—and perhaps even open the door to time travel.
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Discuss this article in the FQXi Community Forum (3 posts)

Spot the Difference to Reveal Exotic Particles
By COLIN STUART • Oct 30, 2014
Questioning the symmetrization postulate of quantum mechanics and the notion that electrons are indistinguishable could reveal whether hypothetical new particles exist.
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Discuss this article in the FQXi Community Forum (6 posts)

Life's Quantum Crystal Ball
By CARINNE PIEKEMA • Oct 9, 2014
Does the ability to predict the future—perhaps with quantum help—define the fundamental difference between living and inanimate matter?
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Discuss this article in the FQXi Community Forum (15 posts)

The Quantum Truth Seeker
By NICOLA JONES • Sep 19, 2014
Watching particles fly through an interferometer might help to unveil higher-order weirdness behind quantum theory.
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Discuss this article in the FQXi Community Forum (11 posts)

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 (4 posts)

Heart of Darkness
By ANIL ANANTHASWAMY • Jul 23, 2014
An intrepid physicist attempts to climb into the core of black hole.
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Discuss this article in the FQXi Community Forum (3 posts)

Why Quantum?
By COLIN STUART • Jun 17, 2014
Entropy could explain why nature chose to play by quantum rules.
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Discuss this article in the FQXi Community Forum (1116 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.
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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 (13 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 (151 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 (121 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)

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 (657 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 (1052 posts)


 
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