Atropos wrote:http://tinypic.com/ycdhv
my interpitation anyway...would this be correct?
3l3ctr0 wrote:the drawing of ur 4d tetracube was cool but what i understood of the 4D cube that all the lines had to be parelell. am i wrong or...
Unfortunately, human brains are generally trained to see 3D objects. Thus, while I know that the picture is supposed to represent a tetracube, my brain sees two connected 3D rectangular prisms.
Gilles wrote:The problem of this tetracube is (besides the fact that it's a tetrarectangle) that the movement you'd see, if you take the ABCDLIJK rectangle, and displace it until you get the EFGHPNMO rectangle, is a 3-d movement.
Gilles wrote:As 4-d is refered to as being spacetime, with time being defined by the second law of thermodynamics, you'd expect the movement of the rectangle (or cube) to be towards the in- or outside of the rectangle.
Gilles wrote:To draw a tetracube, i'd draw a cube inside another cube. Then, connect the inside corners with the outside corners.
Gilles wrote:It's hard to draw on a pc, but it's doable on a piece of paper
When you draw a cube on a sheet of paper it is not three dimensional. It may look it, but it is not. You can't turn it around, you can't touch a particular face of it. Same goes for your hypercube ideas - they are representations.
If you realy want to give yourself an impression of the 4th, imagine the inside cube is the outside cube, and that everything in between, represented by the lines connecting the cubes, is an infinite number of new cubes, wich actualy are the same cube.
If you realy want to give yourself an impression of the 4th, imagine the inside cube is the outside cube, and that everything in between, represented by the lines connecting the cubes, is an infinite number of new cubes, wich actualy are the same cube.
zoralink wrote:that helps, thanks
hey, does that mean we might live in a 3d world folded like that paper tube?
but in a different, more complicated foldy 3d way?
how a three dimensional world can curve through the fourth without moving
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