# I dare you to visualize a fourth dimension!

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There are 10 proven dimensions mathematically. Can anyone visualize a fourth dimension? Is the reason why we can't visualize a fourth dimension that we live in a three dimensional world? How different do animals see the world? (Axis-wise x,y,z).

There's a saying "a triangle would have a god with three sides" we visualize a god in 3d, how can every dimension have a god?!

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youve pressented no less that 4 individual questions there, which do you want answering as 3 are totaly unrellated to each other.

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I wouldn't really say proven, since it's a part of string theory... some models of which also predict 11 or 26 dimensions.

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Sorry for the bombardment of questions. My main question is (another question): Why can't we visualize four dimensions?

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because that implies sight, and the 3 dimensions we can SEE can we SEE the 4th?

that`s probably the reason

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I can visualise time in a 3D environment. I think that Dimension is a confusing word though. I would personally only allow 3 Dimensions. Then time would be just called time. The other dimensions are just patches covering a leaking innertube.

Pincho.

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well the 4th dimension is time... so we can indeed sense 4 dimensions.

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What exactly do you mean by sense? Can you (touch, hear, taste, smell, or VISUALIZE (see)) a fourth dimension? You can't, no one can. Let me put it this way: If I asked you to draw a 3 dimensional shape you would draw a sphere, cube... etc. Now let's see you draw a four dimensional shape.

We don't sense 4 dimensions. We experiance its effects (time). And the effects of all the other dimensions even though we can't explain them yet.

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fafalone said in post # :

well the 4th dimension is time... so we can indeed sense 4 dimensions.

That's not what he meant, and you know it.

We can see 4 dimensional objects, by creating perspective in 3D, similar to viewing pseudo3d objects in 2d.

For instance, the university of warwick has a 3d imaging system that you can view a hypercube (for instance) in. I've seen one.

Of course, some peoples' brains can't visualise 4D objects, or at least that's the theory.

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MrL_JaKiri said in post # :

We can see 4 dimensional objects, by creating perspective in 3D, similar to viewing pseudo3d objects in 2d.

For instance, the university of warwick has a 3d imaging system that you can view a hypercube (for instance) in. I've seen one.

Wait a min., let me see if i'm on the same page with you.

The hypercube image is displayed in 3D space in reality?

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NSX said in post # :

Wait a min., let me see if i'm on the same page with you.

The hypercube image is displayed in 3D space in reality?

You know 3D specs? That kind of thing.

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ignorant question perhaps, what would these other two dimensions ... be, basically?

edit: other 22 dimenions look like? or their concepts?

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Hmm........This dimension stuff is always kinda confusing.

Here is one question - someone once told me that the fourth dimension is arbitrary (not necessarily time). I mean u can pick anything u want ( don't have a clue what that anything could be ) and assign it 4th dimension. Is it true?

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The name is arbitrary. There is no set 4th dimension.. just like dimension 1 is not up or sideways or whatever.

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I dare to stay out of theoretical physics

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MrL:

"For instance, the university of warwick has a 3d imaging system that you can view a hypercube (for instance) in. I've seen one.

Of course, some peoples' brains can't visualise 4D objects, or at least that's the theory."

I do not have the glasses and can not see it, but had seen someone else post this elsewhere:

http://dogfeathers.com/java/hyprcube.html

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That doesn't really show what it's like. It's like trying to show 3D perspective by drawing a line.

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Does a four dimensional shape (hypercube) represented as a 3 dimensional one always have to be in motion.

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MrL:

"That doesn't really show what it's like. It's like trying to show 3D perspective by drawing a line."

Oh. Then perhaps is just as well I could not see it

Unsure then what you are referring to

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berkan said in post # :

Does a four dimensional shape (hypercube) represented as a 3 dimensional one always have to be in motion.

What?

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I think he means in order to make it a more accurate a representation.

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Not in 3D, no. In 2D, you can't really do it, hence the way it changes all the time.

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MrL_JaKiri said in post # :

You know 3D specs? That kind of thing.

Wow, that's funky.

Can the same program do vectors, planes, several variable functions, etc. in 3space?

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It's generally used for looking for 3D irregularities in the interiors of stars!

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MrL_JaKiri said in post # :

It's generally used for looking for 3D irregularities in the interiors of stars!

Wow, funkier...

lucky dave, get to go to Warwick.

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