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and here's a description of Brian Greene: https://www.youtube.com/watch?v=v95WjxpMIQghttp://www.youtube.com/watch?v=v95WjxpMIQg

Carl Sagan explains, we can not see the higher dimensions because we are limited to perceive only three dimensions. He didn't say a dimension can be small or big. This explanation completely makes sense.

But Brian Greene explains, higher dimensions can be tiny and curled up.

Isn't every dimension perpendicular to each of the other dimensions? If so, then how can a dimension be tiny or big? I want to know which is the right way to imagine higher dimensions?

In the link below Carl Sagan described about higher dimension: https://www.youtube.com/watch?v=UnURElCzGc0

and here's a description of Brian Greene: https://www.youtube.com/watch?v=v95WjxpMIQg

Carl Sagan explains, we can not see the higher dimensions because we are limited to perceive only three dimensions. He didn't say a dimension can be small or big. This explanation completely makes sense.

But Brian Greene explains, higher dimensions can be tiny and curled up.

Isn't every dimension perpendicular to each of the other dimensions? If so, then how can a dimension be tiny or big? I want to know which is the right way to imagine higher dimensions?

In the link below Carl Sagan described about higher dimension: http://www.youtube.com/watch?v=UnURElCzGc0

and here's a description of Brian Greene: http://www.youtube.com/watch?v=v95WjxpMIQg

Carl Sagan explains, we can not see the higher dimensions because we are limited to perceive only three dimensions. He didn't say a dimension can be small or big. This explanation completely makes sense.

But Brian Greene explains, higher dimensions can be tiny and curled up.

Isn't every dimension perpendicular to each of the other dimensions? If so, then how can a dimension be tiny or big? I want to know which is the right way to imagine higher dimensions?

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# How to imagine higher dimensions?

In the link below Carl Sagan described about higher dimension: https://www.youtube.com/watch?v=UnURElCzGc0

and here's a description of Brian Greene: https://www.youtube.com/watch?v=v95WjxpMIQg

Carl Sagan explains, we can not see the higher dimensions because we are limited to perceive only three dimensions. He didn't say a dimension can be small or big. This explanation completely makes sense.

But Brian Greene explains, higher dimensions can be tiny and curled up.

Isn't every dimension perpendicular to each of the other dimensions? If so, then how can a dimension be tiny or big? I want to know which is the right way to imagine higher dimensions?