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BREAKING NEWS
Essay Contest Voting Extended!
Dec 8, 2008
Due to the large volume of essays, we are extending the restricted and public voting deadline to January 1, 2009. A running total of restricted votes for each essay will be displayed until December 24, 2008. Vote for your favorite essays today!
Essay Contest Closed - Vote for your favorites now!
Dec 2, 2008
The Essay Contest is now closed to submissions. However, voting will continue until December 15. Vote for your favorite essays on the nature of time, whether you are casting a restricted (essay author or FQXi Member) or public vote.
Interact Quantum-Style
Oct 24, 2008
The Third International Quantum Interaction Symposium (QI-2009) will be on March 25 - 27, 2009, at the German Research Center for Artificial Intelligence (DFKI) in Saarbruecken. For more details visit FQXi’s Upcoming Conferences forum.
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NEW IN BLOGS
The End of Time (The Essay Contest)
By ANTHONY AGUIRRE
Happy New Year! With the end of 2008 comes also the end of the FQXi essay contest on The Nature of Time. Judging will be taking place over the next month or so, after which winners can be announced. In the meantime, I thought it would be worth ...
Cosmology for Kids, FQXi-style
By GRAEME STEMP-MORLOCK
It’s that gift-giving time of year and, as a father of two, I’m always on the lookout for books that will amuse my kids. So I jumped at the chance to chat to FQXi’s Brian Greene, who recently published a kids’ book covering modern physics and cosm...
FORUM UPDATES
High Energy Physics
An Exceptionally Simple FAQ
By A. GARRETT LISI
A new paper, "An Exceptionally Simple Theory of Everything", has attracted a great deal of interest, from both the scientific community and the general public. This forum comment thread will collect my short descriptions of this new theory, in res...
Complexity
The Fermi Paradox
By WILLIAM OREM
I'd be interested in hearing any proposed solutions to the Fermi Paradox. My experience has been that this is one of the Foundational Questions on which everyone you meet at a party has a ready answer, but the paradox turns out to be surprisingly ...
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Back to Mach
By KATE BECKER • Jan 2, 2009
Want a theory of quantum gravity? Then look to the man who inspired Einstein.
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 Discuss this article in the FQXi Community Forum (3 posts)
The End of the Quantum Road?
By BOB SWARUP • Dec 19, 2008
Have we already found the ultimate theory of nature, without realizing it?
Download article PDF file (139 kb)
Discuss this article in the FQXi Community Forum (3 posts)
The Universe's Odyssey?
By ANIL ANANTHASWAMY • Dec 5, 2008
How our youthful universe may have wandered the string landscape in search of home—with help from its anti-universe counterpart.
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Discuss this article in the FQXi Community Forum (0 posts)
Hunting for Theories of (Not) Everything
By MARC KAUFMAN • Nov 21, 2008
The architect of "doubly special relativity" wants to probe the quantum nature of spacetime—one step at a time.
Download article PDF file (141 kb)
Discuss this article in the FQXi Community Forum (3 posts)
Quantum Darwinism
By ANIL ANANTHASWAMY • Nov 7, 2008
How does objective reality emerge from quantum fuzziness? It's a case of the survival of the fittest.
Download article PDF file (213 kb)
Discuss this article in the FQXi Community Forum (5 posts)
Sequence Space: The Final Frontier
By GRAEME STEMP-MORLOCK • Oct 24, 2008
To find out why Earth’s biochemistry is so well-suited for life, we need to boldly go where even nature has not gone before.
Download article PDF file (157 kb)
Discuss this article in the FQXi Community Forum (0 posts)
The Black Hole and the Babel Fish
By KATE BECKER • Oct 10, 2008
To bring string theory into the lab, you need a “universal translator” to bridge the gap with materials science. Black holes could do the job.
Download article PDF file (1324 kb)
Discuss this article in the FQXi Community Forum (0 posts)
A Stitch in Quantum Time
By ANIL ANANTHASWAMY • Sep 26, 2008
How do you measure time near a black hole? Pulling apart the threads of spacetime’s fabric could provide an answer—and help unite general relativity and quantum mechanics, in the process.
Download article PDF file (1141 kb)
Discuss this article in the FQXi Community Forum (3 posts)
Logic Through a Lens
By SCOTT DODD • Sep 12, 2008
To find a theory of quantum gravity, we may have to view reality through a new filter—sacrificing conventional notions of truth and logic along the way.
Download article PDF file (1475 kb)
Discuss this article in the FQXi Community Forum (1 post)
The Emperor's New Swindle
By JULIE REHMEYER • Aug 29, 2008
Quantum mechanics is the biggest con trick in physics—according to the collaboration striving to demystify it.
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Discuss this article in the FQXi Community Forum (4 posts)
Quantum Upsizing
By GRAEME STEMP-MORLOCK • Aug 15, 2008
Pushing the quantum-classical limit, an intercontinental collaboration attempts to build the largest ever quantum object.
Download article PDF file (171 kb)
Discuss this article in the FQXi Community Forum (1 post)
When Worlds Collide
By KATE BECKER • Aug 1, 2008
Will we be destroyed in a collision with a neighboring universe? While investigating, one collaboration made a startling discovery.
Download article PDF file (219 kb)
Discuss this article in the FQXi Community Forum (0 posts)
A Perfect Match
By WILLIAM OREM • Jul 18, 2008
How do you tie down the physics of the multiverse? With string. One collaboration investigates the partnership of string theory and cosmology.
Download article PDF file (272 kb)
Discuss this article in the FQXi Community Forum (0 posts)
Two for the Road
By MARC KAUFMAN • Jul 4, 2008
Two hardy souls work their way through the mathematical thicket of a new model of quantum gravity.
Download article PDF file (1778 kb)
Discuss this article in the FQXi Community Forum (1 post)
Predicting The End
By GOVERT SCHILLING • Jun 13, 2008
How does the universe end? One collaboration works
to find out. The answer may be in the stars.
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Discuss this article in the FQXi Community Forum (3 posts)
A Blackboard at Brunch
By KATE BECKER • May 30, 2008
In the quest for quantum gravity, one collaboration
uses findings from condensed matter physics to take
a fresh look at the geometry of space. Is there any?
Download article PDF file (1729 kb)
Discuss this article in the FQXi Community Forum (0 posts)
Editor's Choice: The Cosmic Puzzle
By KATE BECKER • May 22, 2008
What is Dark Energy? Are we in a true vacuum
or a false vacuum? Are early inflation and late
inflation related?
Download article PDF file (161 kb)
Discuss this article in the FQXi Community Forum (7 posts)
Readers' Choice: High Fidelity
By THE FQXI EDITORS • May 16, 2008
Is nature fundamentally analog or digital
(continuous or discrete)?
Download article PDF file (174 kb)
Discuss this article in the FQXi Community Forum (7 posts)
Editor's Choice: Wigner’s Gift Horse
By JULIE REHMEYER • May 9, 2008
Is nature completely mathematical?
Download article PDF file (161 kb)
Discuss this article in the FQXi Community Forum (4 posts)
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