Quantum Upsizing
0 posts  •  created by Graeme Stemp-Morlock   •  Aug. 15, 2008 @ 12:46 GMT

When Worlds Collide
0 posts  •  created by Kate Becker   •  Aug. 1, 2008 @ 08:36 GMT

A Perfect Match
0 posts  •  created by William Orem   •  Jul. 18, 2008 @ 07:45 GMT

test article
0 posts  •  created by Christopher E. Gronbeck   •  Jul. 9, 2008 @ 15:34 GMT

Two for the Road
1 post  •  created by Marc Kaufman   •  Jul. 4, 2008 @ 14:50 GMT
"http://eskesthai.blogspot.com/2008/07/intellectual-defeatism.html?showComment=1215704040000#c6917934854461833434 While this is of course some interest to me, I thought any description that would give ..."

Predicting The End
2 posts  •  created by Govert Schilling   •  Jun. 13, 2008 @ 15:24 GMT
"Repulsive energy in the far off future, will accelerate and create a vacuum void, out of this void particles will emerge, ripped into existence. Out of this darkness will emerge attractive energy, thi..."

A Blackboard at Brunch
0 posts  •  created by Kate Becker   •  May. 30, 2008 @ 09:31 GMT

Baby Steps
1 post  •  created by Mike Perricone   •  Apr. 11, 2008 @ 15:53 GMT
"At the Universe's end phase, there will be less and less interacting particles, there will be a resulting low-entropic signature. The early Universe's low entropy will almost certainly be of similar m..."

High Fidelity
4 posts  •  created by The FQXi Editors   •  Apr. 3, 2008 @ 17:35 GMT
"Alternative approaches to quantization of time are seldom discussed in modern scientific literature. I would like to offer a subject for discussion at your Web site, which might be interesting. Let us..."

Cosmic Doomsdays: How Will It All End?
0 posts  •  created by Kate Becker   •  Mar. 28, 2008 @ 10:44 GMT

Squishy Bedrock
4 posts  •  created by Julie J. Rehmeyer   •  Mar. 20, 2008 @ 16:01 GMT
"So if there are many Universe's, convieniently suppresing the awkward questions from certain Universe, like the one I reside within, then I suppose there will be young Universe's where Einstein never ..."

The Next Ultimate Theory
1 post  •  created by Marc Kaufman   •  Mar. 14, 2008 @ 08:16 GMT
"That was a very interesting article about the fundamentals of physics. However, I've argued about this for many years, and I'd like to add to the conversation. Inevitably the debate about the foundati..."

Despairing Still?
2 posts  •  created by Mike Perricone   •  Mar. 7, 2008 @ 07:59 GMT
"The Q-RAY Process ? There is a recent paper Seth Lloyd in which there are interesting handwaving, or quantum_ranging process, or Q-RAYS ? Take the Quantum Light that Seth propose's, now using an enta..."

DoubleThink
2 posts  •  created by Kate Becker   •  Feb. 29, 2008 @ 07:40 GMT
"This is an interesting topic but the basic idea is due to the quantum superposition. Recently it was realized that macroscopic systems (computers are also macroscopic devices) will obey a nonlinear Sc..."

Phantasms of Infinity
1 post  •  created by Julie J. Rehmeyer   •  Feb. 22, 2008 @ 10:52 GMT
"“Without a way of calculating probabilities, cosmology is a dead science, it doesn’t exist,” says Vitaly Vanchurin of Tufts University. “At first, I thought, this is crazy, this is not science. But i..."

Down the Rabbit Hole
11 posts  •  created by Scott Aaronson   •  Feb. 15, 2008 @ 09:45 GMT
"Simulation, by it's very existence, needs an event in which to "replay/simulate" ? A dream within a dream, would be replaying something unreal, in any format whatsoever? A simulation, must have a star..."

Shining A Light on a Dream
4 posts  •  created by Marc Kaufman   •  Feb. 8, 2008 @ 10:34 GMT
"Wojciech Zurek is correct about the problem of relying on our human perceptions to understand physical reality. The information obtained by our physical senses and interpretation of that information ..."

Wigner’s Gift Horse
4 posts  •  created by Julie J. Rehmeyer   •  Feb. 2, 2008 @ 14:27 GMT
"You might be interested in Sir Roger Penroses's [url:http://online.itp.ucsb.edu/online/plecture/penrose/oh/01.html]Extended Physical WorldView.[/url]."

Philosophy of the Multiverse
3 posts  •  created by Govert Schilling   •  Jan. 25, 2008 @ 07:46 GMT
"The problem with a multiverse of universes having different settings (particular laws and constants) is that there must also be a mechanism of maintaining those particular settings. In one world reali..."

Searching For The Golden Spike
7 posts  •  created by Kate Becker   •  Jan. 18, 2008 @ 09:05 GMT
"Nice article Kate. To Lee Smolin and Steve Giddings, A quantum gravity could recognize gravitation as a probability group consisting of all possible past-like states, i.e., all states of greater avera..."

As Constant As Polaris
1 post  •  created by Govert Schilling   •  Jan. 11, 2008 @ 09:52 GMT
"From a mathematical viewpoint constants may represent factors that can not be determined. The number is inserted into the equation to get an answer. Constants may represent factors that cannot be det..."

temp
0 posts  •  created by Christopher E. Gronbeck   •  Jan. 7, 2008 @ 11:50 GMT

test title
0 posts  •  created by Christopher E. Gronbeck   •  Jan. 7, 2008 @ 11:00 GMT

The Cosmic Puzzle
0 posts  •  created by Kate Becker   •  Jan. 4, 2008 @ 14:09 GMT

The Cosmic Puzzle
5 posts  •  created by Kate Becker   •  Jan. 4, 2008 @ 14:07 GMT
"Carroll has it right in considering maybe we are just not at the true vacuum yet, particularly the suggestion that we are heading for a true vacuum, and the notion that the quantum vacuum energy is ze..."

Surfing the Folds of Spacetime
0 posts  •  created by Scott Dodd   •  Dec. 28, 2007 @ 07:46 GMT

Topos Or Not Topos
1 post  •  created by Govert Schilling   •  Dec. 21, 2007 @ 08:56 GMT
"I give my understanding of the place of Topos theory in mathematics : Traditional mathematics are based on both the langage of set theory and classical logic . This means that any mathematical object..."

Readers' Choice: What Makes Time Tick?
1 post  •  created by Scott Dodd   •  Dec. 14, 2007 @ 10:12 GMT
""Why do events unfold in one temporal order and essentially never in reverse?" Dear Brian Greene, There are two assumptions we make that must be discarded in order for the arrow of time to be fully un..."

Through the Looking Glass
4 posts  •  created by Kate Becker   •  Dec. 7, 2007 @ 13:33 GMT
"Can you prove that a single coin has more than 2 face values, either heads or tails?..a single coin if split down the middle, can be sent to two different shops, one having a complete heads face, and ..."

Emergent Theorist
0 posts  •  created by Mike Perricone   •  Dec. 3, 2007 @ 13:09 GMT

Punting in Plato’s Cave
1 post  •  created by Mike Perricone   •  Nov. 19, 2007 @ 13:53 GMT
""We can find out whether its physical state lies in one subset of possibilities, or another subset, according to one partitioning of the full set of states into subsets." One could also add the philos..."

It’s All Relative
3 posts  •  created by Kate Becker   •  Nov. 9, 2007 @ 07:39 GMT
"This article mentioned Dreyer's work and some possible consequences of it. I think this article does not do justice by omitting to mention that the theory so called "internal relativity" is not an inv..."

In the Key of Symmetry
0 posts  •  created by Mike Perricone   •  Nov. 2, 2007 @ 09:14 GMT

Surfing the Folds of Spacetime
1 post  •  created by Scott Dodd   •  Oct. 26, 2007 @ 09:26 GMT
"The idea of a "science hostel" is interesting - a sort of secular equivalent, but heterosexual, of a monastery."

A Deeper Understanding
1 post  •  created by Marc Kaufman   •  Oct. 19, 2007 @ 12:40 GMT
"So what if the Electron contains a "space-like", singularity, and the Photon has a corrosponding "time-like" singularity?.."spacetime" as one, in the context of Einsteins theory of GR, would have cont..."

Building a Better Black Hole
0 posts  •  created by Scott Aaronson   •  Oct. 12, 2007 @ 12:18 GMT

Talking Heads
5 posts  •  created by Kate Becker   •  Oct. 5, 2007 @ 13:27 GMT
"From the article: "Imagine you flip a coin 100 times. You can’t predict whether the coin will land heads or tails on any particular toss—only that, if you keep flipping for a long time, the coin s..."

Topos or Not Topos
2 posts  •  created by Govert Schilling   •  Sep. 28, 2007 @ 08:57 GMT
"Have physicists considered the possibility that quantum physics differ from macro level physics because macro level physics has organization. Quantum level particles behave as independent individual..."

Magic Numbers
2 posts  •  created by Kate Becker   •  Sep. 21, 2007 @ 17:44 GMT
"The fine structure constant earned a mention in this story in the July/August issue of the Skeptical Inquirer. Ralph Estling writes: "Some physicists have begun challenging long-held shibboleths about..."

Straightening Out Mind-Bending Measurements
0 posts  •  created by Mike Perricone   •  Sep. 15, 2007 @ 21:49 GMT

Teaching an Old Wave New Tricks
0 posts  •  created by Mike Martin   •  Sep. 7, 2007 @ 09:59 GMT

Serious Science. Serious Fun.
0 posts  •  created by Scott Dodd   •  Aug. 31, 2007 @ 08:59 GMT

Possible Pasts in a Universe of Universes
2 posts  •  created by Jeff Kanipe   •  Aug. 24, 2007 @ 08:31 GMT
"Hi Richard, I like the analogy of a loaf although I use the idea of a whole pie instead, but I would argue there is an obvious way of slicing the loaf or the pie. Since we invariably are slicing the w..."

The Cat With Two Tails
1 post  •  created by William Orem   •  Aug. 16, 2007 @ 15:35 GMT
"If the tail swings slowly, and the picture is taken rapidly(fast shutter rate), then the cat's tail will appear to be at two different locations in one instant? Of course there is a midway point betwe..."

Eva Silverstein: The quest to simplify
3 posts  •  created by Mike Perricone   •  Aug. 10, 2007 @ 08:31 GMT
""String theory predicts there are more than the familiar four dimensions of space-time. But where do those extra dimensions come from? " Here and now?..Past..Present.. Future? If string theory "pred..."

Making Waves with Gravity
4 posts  •  created by Jeff Kanipe   •  Aug. 2, 2007 @ 17:07 GMT
"Understanding gravity may require temporarily forgetting what physicists think they know about gravity. I've mentioned in other threads the potential problem the human brain can cause in understandi..."

Kwiat’s Kwest: Settling – Once and For All – Einstein’s Final Frontier
1 post  •  created by Mike Martin   •  Jul. 27, 2007 @ 14:09 GMT
"I'm not sure it is loophole free. There is a potential major problem using photons. If I think a photon will go through gate "A" it will go through gate "A". If I think it will go through gate "B" ..."

A Dark and Lonely Future
2 posts  •  created by Fred Adams   •  Jul. 20, 2007 @ 07:16 GMT
"Scott, a most excellent article, best I have read here yet. You should have gone more into the title theme but perhaps your limited to two pages. Thanks. Fred, Great work, I enjoyed Five Ages immensel..."

Physicists Reaching Out
0 posts  •  created by Trudy E. Bell   •  Jul. 13, 2007 @ 09:52 GMT

Islands in the Sea
4 posts  •  created by William Orem   •  Jul. 6, 2007 @ 10:25 GMT
"Nice Article. Vilenkin seems to have one of the better imaginative minds in physics. If large-scale topology is flat as WMAP indicated, then it has always been flat, which means the singularity of the..."

Deconstructing Everett?¢‚Ǩ‚Ñ¢s Crazy Idea
5 posts  •  created by Steve Nadis   •  Jun. 29, 2007 @ 10:14 GMT
"The subject being of great interest, if only to confuse one as to intepretation direction?..but I must admit to being curious as to how a (known) quantum process, is certain to have more than one outc..."

Not So Local
2 posts  •  created by Fred Adams   •  Jun. 22, 2007 @ 09:18 GMT
"Local observations should not mean a measure takes place by default? If I observe a speck of dust, at the very horizon of my local field of vision, then I can recieve this information without actually..."

To Solve a Cosmic Mystery, FQXi Awardees Think Outside the Box
0 posts  •  created by Mike Martin   •  Jun. 15, 2007 @ 09:16 GMT

In Search of Uncertainty
2 posts  •  created by Scott Dodd   •  Jun. 8, 2007 @ 08:41 GMT
"In the beginning, theee came a simple thought, a lonely query about a local oddity (local to the person that instigated the first thought!), thus one simple question needed one acceptable answer. Sinc..."

Chasing Constant Change
4 posts  •  created by Govert Schilling   •  Jun. 1, 2007 @ 10:08 GMT
"Physicists can be so naive. The constants in physics equations are not necessarily "constant" They may represent unknown factors which do not appear to change, at least not in the short run. Consta..."

Chasing Constant Change
0 posts  •  created by Govert Schilling   •  Jun. 1, 2007 @ 10:05 GMT

Chasing Constant Change
0 posts  •  created by Govert Schilling   •  Jun. 1, 2007 @ 10:04 GMT

Eavesdropping On ET
1 post  •  created by Steve Nadis   •  May. 25, 2007 @ 08:59 GMT
"The radio signals most likely to be detectable would be those emitted by scientific probes or even communications between space ships (for space traveling civilizations). Such signals would of neces..."

Mini-Grants, Major Benefits
0 posts  •  created by Jeff Kanipe   •  May. 18, 2007 @ 14:01 GMT

Through the Looking Glass
0 posts  •  created by Kate Becker   •  May. 11, 2007 @ 08:56 GMT

In Search Of Other Earths
0 posts  •  created by Jeff Kanipe   •  Apr. 17, 2007 @ 14:50 GMT

A Wonderful Outcome
9 posts  •  created by Scott Dodd   •  Apr. 17, 2007 @ 12:37 GMT
"It is simply a huge mistake to imagine the cosmos as rushing from order to chaos. We know today in science that the expansion of the universe is accelerating directly toward absolute zero. The only qu..."

Charting the River of Time
1 post  •  created by William Orem   •  Apr. 17, 2007 @ 12:34 GMT
"There are a number of interesting issues that eminate from this article. It seems that a closed-time-like curve, where an object travels a distance, and returns to where it started(or at least to the ..."