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2022-03-23: Where Is The Center of The Universe?
- 05:37: So could it be that there’s a higher dimensional space in which our 4-D hypersphere lives?
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2020-05-27: Does Gravity Require Extra Dimensions?
- 04:20: Now we perceive the 3rd dimension, but perhaps our 3 spatial dimensions are similarly embedded in a higher dimensional space that we can’t perceive.
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2019-07-18: Did Time Start at the Big Bang?
- 09:52: ... the Steinhardt-Turok model suggests that our universe floats in a higher dimensional space living on geometric objects called brains collisions between those ...
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2019-04-10: The Holographic Universe Explained
- 11:46: ... corresponding higher-dimensional gravitational structures in the higher dimensional space would be weak and ...
- 11:58: ... strong gravitational fields in the higher dimensional space – like in black holes – look like a solvable configuration of particles ...
- 15:10: A few of you asked whether our percieved universe is just the surface of a higher dimensional space.
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2019-04-03: The Edge of an Infinite Universe
- 14:40: The hologram part is because the lower dimensional space can be thought of as the infinitely distant boundary of the higher dimensional space.
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2016-01-27: The Origin of Matter and Time
- 01:31: In fact, thinking in four dimensional space time, a thing is its world line.
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2015-07-29: General Relativity & Curved Spacetime Explained!
- 08:32: ... just a lot easier to say the word gravity than say curvature of four dimensional spacetime. ...
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2015-07-08: Curvature Demonstrated + Comments
- 05:27: ... you wanted to know if the three dimensional space around Earth is curved, you would follow the procedure of using ...
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2015-07-02: Can a Circle Be a Straight Line?
- 04:08: ... parallel, tangent, and straight that it can apply solely within that two dimensional space. ...
- 06:57: Now in a three dimensional space you can test curvature the same way we've been describing.
- 07:17: So is the three dimensional space around Earth curved?
- 04:47: By the same process you can find geodesics on a saddle or a hillside or in three dimensional spaces.
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2015-04-22: Are Space and Time An Illusion?
- 04:25: So he proposed the following radical idea-- maybe reality is not a three dimensional space that evolves in time.
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