What is Digg?53 Comments
- inactive, on 06/25/2008, -0/+16Gotta love SciAm. Don't see those article on Digg too much, though. Mostly Wired/etc.
- tiberone, on 06/26/2008, -2/+18Ooh I just have to share this, straight out of my calculus class:
-Student 1 (finishing report): "...and further research is going into applying calculus to 4D rendering systems on computers"
-Teacher: "Wow, I'm familiar with the 3D rendering, but what could the fourth dimension be in this case?"
-Student 2 (completely serious): Oh, I think I may know! Once I was in Disney World and they had this show that they called '4D', and in your seat it shot water and air at you, and there were scents too..so maybe that's what they mean"
True story. - rwallen, on 06/25/2008, -0/+13Wired will repost it and it will hit front page.
- feoren, on 06/26/2008, -1/+9It's amazing how people get dugg up in Science articles for completely inane and stupid comments where an equally-retarded comment like "Wow very interesting article about Ron Paul's fiscal policy it reminds me of that time I went to a bank" would have -40 diggs by now.
- iguanapunk, on 06/26/2008, -0/+6They didn't ask him the question that's all on our lips; why the hell are you going to destroy your career by starring as John Connor in the upcoming Terminator 4: Rise of the Money Hungry Hollywood Bastards.
- WalkerTXclocker, on 06/26/2008, -1/+6time probably
- tiberone, on 06/26/2008, -2/+7Yeah I have no idea either but if I had to guess, out of everything in the world it could possibly be, I probably wouldn't choose the theater at Disney World that sprays water at you
- DiggRage, on 06/26/2008, -0/+5Well, the article notes "This story is a supplement to the feature 'Using Causality to Solve the Puzzle of Quantum Spacetime' which was printed in the July 2008 issue of Scientific American."
I'm glad they have a supplement to a story that was printed NEXT MONTH...I think Scientific American has already found away around the pesky dimension of time! - hapax, on 06/26/2008, -0/+4Integer Dimensions?
Fractal Dimensions?
...
Where the heck are my Parallel Dimensions? - craighoxton, on 06/26/2008, -1/+5Old Steven Wright joke: "I have to put tape over my mirrors to stop me going into a parallel dimension"
- awa1ct, on 06/26/2008, -0/+4What is a Dimension?
Dude, it's a Dell. - Origin415, on 06/26/2008, -0/+3"classical physics" usually refers to Newtonian physics. Euclid was a mathematician, in any case.
- edwinjose, on 06/26/2008, -0/+3An object in any dimension can be rendered in any other dimension.
- Origin415, on 06/26/2008, -0/+3People seem to confuse the phrase parallel universe as parallel dimension. Dimensions can't be parallel, otherwise they would be identical. More often, they are thought of as quite the opposite: perpendicular.
- rayishu, on 06/26/2008, -1/+4in the string theory there are 10 dimensions and the 4th is always time, some use this extra dimension to explain deja vu' and how our bodies could theoretically pass through the 4th dimension
- CosmicJustice, on 06/26/2008, -0/+2Which is an even older Lewis Carroll ....
- Hangly, on 06/26/2008, -0/+2Which is an even older Kurt Vonnegut trope.
Recurring character Killgore Trout calls mirrors "leaks" into other worlds. At the end of Breakfast of Champions he walks into one. - rawg, on 06/26/2008, -0/+2An easy way to think about dimensions is that they are just numbers that represent your position.
One dimensional means that your position can be defined by one number so you can only travel along a line, horizontal, vertical, diagonal, squiggly, it doesn't matter. Two dimensional means that your position is determined by 2 numbers so you can travel along a plane. Once again the shape of the plane doesn't matter. Three dimensional means that you can specify a position above or below a plane as well. This goes on for all number of dimensions even beyond the three dimensions we usually use in the physical world.
The 4th dimension usually means time because you can designate a position in time just like any other dimension, i.e. meet me at the Denny's on the corner at 4:30pm. - Hangly, on 06/26/2008, -0/+2Newtonian physics uses Euclid's spatial geometry.
- TheStrongForce, on 06/26/2008, -0/+1Oh Linear Algebra.
- 0zymandias, on 06/26/2008, -2/+3Ah dimensional quotes - here's my favorite:
"I think the 4th dimension is down because you can't go down - it's *the floor*"
pvt someone who's name I forget - circa 1988 or so.
- edwinjose, on 06/26/2008, -0/+1Yeah I don't get why flameshon gets dugg down for defining dimensions. Hmm.. May be this shows people hate right answers if they don't understand it.
- wzpgsr, on 06/26/2008, -0/+1You've probably seen the mechanics of gravity represented in an animation of the sun warping the "fabric of space-time", like a bowling ball in a hammock, while the planets orbit in the trough. In this representation, space-time is represented as a two-dimensional surface, but in reality, humans perceive space in three physical dimensions. Our solar system is surrounded by stars in all directions. I am not able to visualize the space-time, in its three visible physical dimensions, warping in the same way that the bowling ball warps the hammock. If you crumple the hammock into a ball, you might have created a three-dimensional form, but the empty spaces between the folds of the hammock are not actually a part of the hammock's fabric. Yet, as far as I can tell, the voids in the universe are still a fundamental part of the universe's fabric. Can anyone explain this to my pea-brain, or point me in the direction of an explanation written for the layperson?
- iguanapunk, on 06/26/2008, -0/+1Wrong news story! My apologies.
- TheStrongForce, on 06/26/2008, -0/+1a point has no dimension! Because if it was in no cordinate system with no dimension, you couldn't describe where it was. Think about it, you need a dimension to describe a point.
Such as: its at P(5) on the line(1 dimension, one number to describe its position)
Or its at P(5,5) on the 2-d graph (2 dimensions, 2 numbers to describe its position)
Or its at P(5,5,5) on the 3-d graph (3 dimensions, 3 numbers to describe its position)
But if you have a point in no cordinate system you can't describe it! You need dimensions to describe a point and therefore, it has no dimension. - Hangly, on 06/26/2008, -0/+1good point
- enmand, on 06/26/2008, -0/+1Heh, why are you getting dugg down for that? Maybe Digg just doesn't get what a dimension is :/... your answer was my first thought.
- LukeBeaumont, on 06/26/2008, -2/+2String theory? Get with the times... M-theory is where it is at.
- falmeshon, on 06/26/2008, -2/+2the number of linearly independent rows of a matrix. the end.
- TheStrongForce, on 06/26/2008, -1/+1String Theory is a wash.
- inactive, on 06/26/2008, -1/+1Bury this one - posted twice by accident!
- rabidg00se, on 06/26/2008, -2/+2Not to be a nerd, but what WAS the fourth dimension being rendered?
- uofaer, on 06/26/2008, -5/+5Me reading the article:
Reading......
Reading......
***Head Asplodes!!***** - Olfster, on 06/26/2008, -3/+2So reminds me of a comp science class 15 years ago. During a code review the person I traded off with wrote off a ton of stuff because he claimed I used variables incorrectly. I had to explain to him they were hexadecimal values. Needless to say, after that experience, I requested to test out of the class and thus did so. I can still see the guy's face "Where's your values?" You know, the quirky type that could easily be mistaken for a nerd but for their intelligence.
- DeadMeatUK, on 06/26/2008, -2/+1My Thursday is complete now I know the Hausdorff dimension of a Menger Sponge.
- mijelh, on 06/26/2008, -2/+1There's not such thing as a 4Th, 2Nd or 11Th dimension. Dimensions don't have any special order. BTW that deja vu stuff is absolutely crap, and, you know what? we already pass through the "4Th" dimension, just look at a clock an you will realize... hopefully
- GunOfSod, on 06/26/2008, -2/+1Quantum theory can be reconciled with General realativity using a total of 10 dimensions, this includes the 3 spatial and 1 temporal dimension that are familiar to us and a further 6 dimensions that are postulated to be curled up on themselves at the size of the planck length. Vibrations in these other dimensions give rise to the known particles and forces that exist.
- midevil, on 06/26/2008, -1/+0good post. I have read quite a bit about extra dimensions, this is definitely an add on.
quote: From infinite number of possibilities, science is a fraction..............so keep exploring/posting. - TheStrongForce, on 06/26/2008, -2/+1Dimensional talk can go to hell along with Superstring Theory.
- Hangly, on 06/26/2008, -2/+1Obeys the laws of classical physics? I assume that includes Euclid?
That definition disqualifies every dimension above the third. - hiPpymIck, on 06/26/2008, -2/+1..wheres that surfer dude..
- unknownohm, on 06/26/2008, -2/+0this has nothing on good ol' MC Escher
- pabut, on 06/26/2008, -3/+1I always thought one dimension was a single point.
- inactive, on 06/26/2008, -5/+2dimension = number of elements in its basis. zing. although many fractals have fractional dimensions.
- teddyrux, on 06/26/2008, -4/+1Bubbles. It was definitely the bubbles. A+++++ Would see again!
- koreaski, on 06/26/2008, -4/+1classical physics? sounds smooth
- SirPopper, on 06/26/2008, -9/+6Cool to see this submission!
Today I have looked for an interesting article about this topic and have found this
"Weyl, Hermann (1931), The Theory of Groups and Quantum Mechanics (English edition (1950) ed.), Dover Press, ISBN 0-486-60269-9"
http://books.google.de/books?id=jQbEcDDqGb8C&dq=Th ...
associated with http://en.wikipedia.org/wiki/Hilbert_space
# Infinitely many dimensions:
http://en.wikipedia.org/wiki/Dimension - ilovemacs, on 06/26/2008, -3/+0what the hell does this article tell us that we don't already know?
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