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Four Dimensional "Cube"
 
What do you think? Give us your opinion. Anonymous comments allowed.
#26

verrah (05/31/2012) [+] (7 replies)
four dimensional?
do you even know what you're saying?!
it's a TWO dimensional animation with the idea of a 3dimensional object (not a cube).
do you even know what you're saying?!
it's a TWO dimensional animation with the idea of a 3dimensional object (not a cube).
#162

LargePenis (05/31/2012) []
Wait, is this a three dimensional representation of a four dimensional object on a two dimensional screen?
#30

oshtper (05/31/2012) [+] (5 replies)
The 4th dimension is the time itself. This is a 2 dimensional cube trying to resemble a 3 dimensional cube.
#73

seeteufel (05/31/2012) [+] (4 replies)
I just got up, I don't want to think right now, guys. Come on.
#83

brolewski (05/31/2012) [+] (1 reply)
4th dimension is time. We perceive things in the third dimension. As long as they have length, width and height, its 3D like this.
#1

godspeak (05/30/2012) [+] (3 replies)
That's a tesseract, a "shadow" of a fourth dimensional cube.
Science is so cool.
Science is so cool.
#123

supersparta (05/31/2012) []
Like an anonymous said a little while back, this is NOT how we would perceive a tesseract if we actually could. There are 12 dimensions of space (and mathematics proves there could be 13) and 1 of time. Since we, as humans, only live in 3 dimensions (length, width and depth) we can not perceive any of the higher dimensions. Same way we can't perceive colors outside of our visible spectrum. Those dimensions are still there and they still affect us, but we don't experience them directly, and, if not for the math, we wouldn't even know they were there.
#113

xxxsonic fanxxx (05/31/2012) []
Alright, guys. What we got here is a complicated cubey thing. It's got 6 noticeable cube shapes making it up. I have pointed out one of these.
As they move, they distort. Much like how if you move a cube around, the squares on it appear thinner or shorter or longer.
A 4d dimension is basically infinite 3d spaces adjacent to our own. This means there could be a 4d entity in your room right now, but not in your specific 3d dimension.
Were it in your specific world, it might appear as a circle due to our 2d perceptions. This circle would heavily distort as it moved through your world, going from being a circle to being a circle with bulges on it to completely distorted.
Common misconception:
This dimension is an Euclidean space. Spacetime is not an Euclidean space. This dimension is not spacetime. Some spaces may treat it like time, but again, it is not really time.
As they move, they distort. Much like how if you move a cube around, the squares on it appear thinner or shorter or longer.
A 4d dimension is basically infinite 3d spaces adjacent to our own. This means there could be a 4d entity in your room right now, but not in your specific 3d dimension.
Were it in your specific world, it might appear as a circle due to our 2d perceptions. This circle would heavily distort as it moved through your world, going from being a circle to being a circle with bulges on it to completely distorted.
Common misconception:
This dimension is an Euclidean space. Spacetime is not an Euclidean space. This dimension is not spacetime. Some spaces may treat it like time, but again, it is not really time.
#91

xxxsonic fanxxx (05/31/2012) []
.... You should have specified it was an animation of a hypercube ROTATING. Now it seems like you don't know what you're talking about. This is also a theoretical cube that could never be made in our universe. This is the MATHEMATICAL hypercube, You have a point, cube it to get a line. Cube a line to get a square. Cube a square to get a cube. cube a cube to get a hypercube/cubecube/tesseract.
If we are talking science, then there are thirteen dimensions. 12 of space and one of time. 3 of the spatial dimensions are the ones we know well : Up/Down, Left/Right, and Forward/Back. Time is something I would hope you understand. The other 10 are rolled up in CalabiYau shapes, and are basically invisible because they exist at the Plank length. So brolewski is somewhat correct, but not entirely.
xelvanox is correct, and thanks for explaining it so well.
If we are talking science, then there are thirteen dimensions. 12 of space and one of time. 3 of the spatial dimensions are the ones we know well : Up/Down, Left/Right, and Forward/Back. Time is something I would hope you understand. The other 10 are rolled up in CalabiYau shapes, and are basically invisible because they exist at the Plank length. So brolewski is somewhat correct, but not entirely.
xelvanox is correct, and thanks for explaining it so well.
#67

aintransplant (05/31/2012) [+] (1 reply)
It's actually an animated shadow of a tesseract. We have no way of creating a "real" tesseract because it would have right angles to every right angle we know. Terence McKenna explains it well in his video on "flat land".
#23

sanityfound (05/31/2012) [+] (1 reply)
I must say in our three dimensional world wouldn't a four dimensional "cube" look like a cube? In the book flatland when the sphere passes through the plane of flatland it simply looks like a circle that can change size. So a tesseract would appear to be a cube that change volume.