[QUOTE=alphaspida;21850624]Humans cannot create. We can only change.[/QUOTE]
But I created a doorstop in my art and design class!!!
[QUOTE=lagunka;21846407]According to string theory, there's like 11 dimensions.[/QUOTE]
[img]http://i.imgur.com/Zl1S4.gif[/img]
[QUOTE=Madman_Andre;21852270][IMG]http://i.imgur.com/Zl1S4.gif[/IMG][/QUOTE]
What's so weird about that?
I can comprehend the 11th dimension as little as you can, but for me it seems logical.
what's the [b]13th[/b] dimension?
[QUOTE=Kukuzi;21846469]You're thinking of Membrane Theory. Though I guess M-theory comes from string theory
Anyway, I saw a youtube video on the 10 theoretical dimensions, it doesn't adhere directly to string theory, but is pretty cool
[url]http://www.youtube.com/user/10thdim[/url]
Pretty cool channel, has all sorts of thought provoking things like that.[/QUOTE]
Read the book, VERY good.
[QUOTE=lolwutdude;21853178]what's the [B]13th[/B] dimension?[/QUOTE]
To my knowledge in string theory, it doesn't exist.
Remember the difference between Euclidean space and Minkowski space, as the mix up always confuses people in these threads about spacetime, also please don't post the stupid animated tesseract which just confuses people more.
[url]http://en.wikipedia.org/wiki/Minkowski_space[/url]
[url]http://en.wikipedia.org/wiki/Euclidean_space[/url]
Minkowski space is the one with 3 spacial and 1 time.
I just can't wrap my head around dimensions beyond time. it's all cool shit though
[QUOTE=rathat48;21853244]Remember the difference between Euclidean space and Minkowski space, as the mix up always confuses people in these threads about spacetime, also please don't post the stupid animated tesseract which just confuses people more.
[URL]http://en.wikipedia.org/wiki/Minkowski_space[/URL]
[URL]http://en.wikipedia.org/wiki/Euclidean_space[/URL]
Minkowski space is the one with 3 spacial and 1 time.[/QUOTE]
Science threads always confuse the uneducated.
It's sometimes enough to say that radiowaves and sunlight technically are different wavelenght of the same thing, or that you look back in time by looking at the stars, or even that traveling near c slows down time.
theres 2 dimesnions you nerds
[QUOTE=Riptide;21853424]theres 2 dimesnions you nerds[/QUOTE]
Nope, maybe 4 or 11.
And yes, I'm a nerd, nothing bad about it. :downs:
[QUOTE=noctune9;21851263][url=http://www.ted.com/talks/brian_greene_on_string_theory.html]This TED talk explains string theory pretty well[/url].[/QUOTE]
He's saying that mass curves spacetime and has a nice illustration of it happening
And then he says that Earth for example is kept in orbit because it's rolling in the valley created by the Sun's mass
But that's not a sufficient explanation for Earth's curved path around the sun, because you're back to the beginning, you still need a net force to pull the Earth towards the Sun to keep it in this valley. If there wasn't such a force, it would continue on a linear path.
These illustrations are just illogical.
When I think about dimensions I go :psyduck: by the sheer vastness of it all.
[QUOTE=lolwutdude;21853178]what's the [b]13th[/b] dimension?[/QUOTE]
Nonexistent so far, but who knows?
Define dimension.
[QUOTE=JgcxCub;21853985]Define dimension.[/QUOTE]
[QUOTE]In [URL="http://en.wikipedia.org/wiki/Mathematics"]mathematics[/URL] and [URL="http://en.wikipedia.org/wiki/Physics"]physics[/URL], the [B]dimension[/B] of a [URL="http://en.wikipedia.org/wiki/Space"]space[/URL] or [URL="http://en.wikipedia.org/wiki/Object"]object[/URL] is informally defined as the minimum number of [URL="http://en.wikipedia.org/wiki/Coordinates"]coordinates[/URL] needed to specify each [URL="http://en.wikipedia.org/wiki/Point_%28geometry%29"]point[/URL] within it.[URL="http://en.wikipedia.org/wiki/Dimension#cite_note-0"][/URL][URL="http://en.wikipedia.org/wiki/Dimension#cite_note-1"][/URL] Thus a [URL="http://en.wikipedia.org/wiki/Line"]line[/URL] has a dimension of one because only one coordinate is needed to specify a point on it. A [URL="http://en.wikipedia.org/wiki/Surface"]surface[/URL] such as a [URL="http://en.wikipedia.org/wiki/Plane_%28mathematics%29"]plane[/URL] or the surface of a [URL="http://en.wikipedia.org/wiki/Cylinder_%28geometry%29"]cylinder[/URL] or [URL="http://en.wikipedia.org/wiki/Sphere"]sphere[/URL] has a dimension of two because two coordinates are needed to specify a point on it (for example, to locate a point on the surface of a sphere you need both its [URL="http://en.wikipedia.org/wiki/Latitude"]latitude[/URL] and its [URL="http://en.wikipedia.org/wiki/Longitude"]longitude[/URL]). The inside of a [URL="http://en.wikipedia.org/wiki/Cube"]cube[/URL], a cylinder or a sphere is three-dimensional because three co-ordinates are needed to locate a point within these spaces.[/QUOTE]
There you go.
36 24 36
[QUOTE=ThePuska;21853821]But that's not a sufficient explanation for Earth's curved path around the sun, because you're back to the beginning, you still need a net force to pull the Earth towards the Sun to keep it in this valley. If there wasn't such a force, it would continue on a linear path.[/QUOTE]
Yes. It does travel in a linear path. Except the path is curved because the space it's traveling in is curved.
What the fuck is this shit, my brain is exploding.
[QUOTE=JohnnyMo1;21855872]Yes. It does travel in a linear path. Except the path is curved because the space it's traveling in is curved.[/QUOTE]
Second time i've agreed with you.
From the perspective of earth we travel in a straight line.
But, for example if you are above the plane of the solar system and look down, earth travels in a curve.
It's all because of gravity, which can be thought of like this (at least to me and I could be wrong, but fuck it lets go with it)
Space is a blanket, and in the middle of the blanket you put a bowling bowl, the blanket sags alot where the bowling bowl is. This is our sun, the area that has sagged is the area where the sun's gravity has an effect, the further away we go the weaker it gets. Throw a marble around the edge of this sag, it moves in a straight line, on a curve.
this will probably explain it better v:v:v
[media]http://www.youtube.com/watch?v=LoaOHvy5AcA[/media]
Well there are without a doubt at least 5 dimensions: the three we all know, time, plus another spatial dimension within which space-time bends due to general relativity. Not sure about the other 6, they seem, almost too complicated to be the base of the universe, almost in violation of occam's razor. In fact I'm reading a book right now called hyperspace which is about the scientific search for 4+ dimensions. You should check it out, it's a fascinating read.
[editline]06:22PM[/editline]
[QUOTE=ThePuska;21853821]you still need a net force to pull the Earth towards the Sun[/QUOTE]
The valley IS the force. Force is merely an illusion created by 4D geometry.
Isn't there an actual 4th spatial dimension? Which explains why you come back to your starting point if you keep travelling in a "straight" line?
I need to read threads more.
[QUOTE=MegaJohnny;21858271]Isn't there an actual 4th spatial dimension? Which explains why you come back to your starting point if you keep travelling in a "straight" line?
I need to read threads more.[/QUOTE]
No that's because of the curvature of the earth.
[img]http://img404.imageshack.us/img404/9241/orbiter.png[/img]
The green ball orbits Earth because Earth's mass causes the spacetime around it to curve
Right?
Is there a reason why all other spacetime curvature illustrations I've seen have had the curvature direction downwards? I had to photoshop this one.
I just think it's more logical that greater mass causes greater curvature and therefore, graph-wise, the curvature direction should be upwards, not downwards. It also removes all mental connection between orbiting caused by curvature and an ordinary, rolling object "orbiting" around a hole on Earth.
Because it's that mental connection that I thought seemed to be somewhat abused. It seemed like explaining gravity with gravity.
It still doesn't make any sense to me though.
Graph-wise, it doesn't matter if it's curving up or down since you could just flip the picture upside-down. The graph is a simplification anyways since space is 3D, not 2D
Why is this in Fast Threads? :raise:
Yeah you'd need some 4d graph axis to show this shit right.
[QUOTE=Block;21858856]Graph-wise, it doesn't matter if it's curving up or down since you could just flip the picture upside-down. The graph is a simplification anyways since space is 3D, not 2D
Why is this in Fast Threads? :raise:[/QUOTE]
Mods moved it.. [sp]Because they're bitches[/sp]
If the graph curves upwards it kind of infers that an object approaching it will be pushed away instead of pulled towards.
Okay.
Define spacetime, someone who actually understands it.
Dimentions are time strings that go on different paths.
There are also pea-brains, mini-dimentions inside dimentions that take place in the same dimention.
Like bob and joe have the same room, but it takes place in one place.
Sorry, you need to Log In to post a reply to this thread.