Blow your mind with extra dimensions

easyrider

easyrider

easyrider

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String theory predicts possible extra dimensions of spacetime. What are extra dimensions and how might we detect them if they exist?


Apparantly we all live in Braneworlds...:eek:

Braneworlds

Pretend you lived on your computer screen and could only move on that two dimensional surface. The computer exists in three space dimensions but you can only move on a two dimensional subspace made by the screen, so the spacetime that you experience would look like three dimensions (two space plus time) rather than four.


My head hurts:p
 
easyrider said:
Braneworlds

Pretend you lived on your computer screen and could only move on that two dimensional surface. The computer exists in three space dimensions but you can only move on a two dimensional subspace made by the screen, so the spacetime that you experience would look like three dimensions (two space plus time) rather than four.


My head hurts:p
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Read this book:

http://en.wikipedia.org/wiki/Flatland
 
Jambo said:
Why?
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For a few reasons, there is no lolcat, failboat, omgzor!!!111, bbc news links, you tube clips, myspace, MSN, furry dice, or other such tripe.

It's a good stab at explaining to the audience with a passing interest what is going on in the world of physics.
I think that is a good thing.
 
helmet said:
For a few reasons, there is no lolcat, failboat, omgzor!!!111, bbc news links, you tube clips, myspace, MSN, furry dice, or other such tripe.

It's a good stab at explaining to the audience with a passing interest what is going on in the world of physics.
I think that is a good thing.
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On the other hand it might be a load of ********.

Don't get me wrong, it's a nice little theory, but isn't it just that, a theory with no actual meaning? (this is not a rhetorical question)
 
Jambo said:
On the other hand it might be a load of ********.

Don't get me wrong, it's a nice little theory, but isn't it just that, a theory with no actual meaning? (this is not a rhetorical question)
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As opposed to other theories....? :/

A theory is just that - a theoretical understanding of a given thing, situation or concept.

*n
 
penski said:
As opposed to other theories....? :/

A theory is just that - a theoretical understanding of a given thing, situation or concept.

*n
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No, not as opposed to other theories. I was watching the Stephen Hawking program and I couldn't help but think theories are pretty pointless unless they mean or lead to something more significant.
 
Jambo said:
No, not as opposed to other theories. I was watching the Stephen Hawking program and I couldn't help but think theories are pretty pointless unless they mean or lead to something more significant.
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You need the theory, before you can prove, disprove, or gain anything from it.
 
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