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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? 05:43: Could there be an equivalent of “down” in that space that we are just too dimensionally-challenged to point to?
	2022-01-12: How To Simulate The Universe With DFT 06:14: We don’t need a 3-cubed or 9 dimensional equation. 07:33: ... we can take an equation for N particles in 3D and reduce it from a 3^N dimensional equation to simply N coupled equations each in ... 14:25: Peter, the infinite dimensional universal wavefunction barely contains enough information to describe your generosity. 06:14: We don’t need a 3-cubed or 9 dimensional equation. 07:33: ... we can take an equation for N particles in 3D and reduce it from a 3^N dimensional equation to simply N coupled equations each in ... 14:25: Peter, the infinite dimensional universal wavefunction barely contains enough information to describe your generosity. 04:52: ... adding dice to this system- every time we add a particle we increase the dimensionality of the ... 08:15: And we can’t reduce the dimensionality by treating particles separately because the Schrodinger equation can’t be made “separable”. 08:49: ... and it’s perhaps the most successful approach to tackling the extreme dimensionality problem when solving realistic quantum ... 13:35: ... by understanding how the universal wavefunction with its insane hyper dimensionality is connected to the narrow sliver of that wavefunction that represents ... 08:49: ... and it’s perhaps the most successful approach to tackling the extreme dimensionality problem when solving realistic quantum ...
	2021-03-16: The NEW Crisis in Cosmology 14:47: ... matter - or whether they're really   the same type of thing - dimensionally speaking. We would also need to justify why the c in ...
	2020-08-10: Theory of Everything Controversies: Livestream 00:00: ... where it was only about strings because they had reasons why higher dimensional objects didn't exist to brain theory it went from a finite number of ...
	2020-07-28: What is a Theory of Everything: Livestream 00:00: ... property three again we have a math human name we made up for it the dimensionality of space the largest number of perpendicular fingers you can have in ...
	2020-06-30: Dissolving an Event Horizon 11:46: ... in those representations take a 3-dimensional space and take a two dimensional slice out of it, so the black hole or wormhole ends are circular instead ...
	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.
	2020-04-28: Space Time Livestream: Ask Matt Anything 00:00: ... patterns of the particles that make up our bodies through this four dimensional block space-time and so time moving forward does time with forward or ...
	2019-07-18: Did Time Start at the Big Bang? 05:15: ... points become the same point and three-dimensional space becomes zero dimensional That's the singularity We say that it didn't happen in any one place ... 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 ...
	2019-04-24: No Dark Matter = Proof of Dark Matter? 00:03: ... serve up down left right forward back we're actually in a higher dimensional universe of up up down down left right left right B a B a select start ...
	2019-04-10: The Holographic Universe Explained 00:24: ... of the most startling possibilities is that our 3+1 dimensional universe may better described as resulting from a spacetime one ... 07:47: Even from the beginning string theory had hints of this scale invariance and dimensional weirdness. 11:46: ... interactions in the lower dimensional field theory are extremely strong – we would say the fields are strongly ... 11:58: ... strong gravitational fields in the higher dimensional space – like in black holes – look like a solvable configuration of ... 12:37: The lower dimensional CFT space is the surface of the AdS space because the field theory exists where the new dimension becomes infinite. 15:10: A few of you asked whether our percieved universe is just the surface of a higher dimensional space. 15:16: ... our percieved universe is the volume, but it can be encoded on its lower dimensional ... 12:37: The lower dimensional CFT space is the surface of the AdS space because the field theory exists where the new dimension becomes infinite. 11:46: ... interactions in the lower dimensional field theory are extremely strong – we would say the fields are strongly ... 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. 15:16: ... our percieved universe is the volume, but it can be encoded on its lower dimensional surface. ... 00:24: ... of the most startling possibilities is that our 3+1 dimensional universe may better described as resulting from a spacetime one dimension lower – ... 07:47: Even from the beginning string theory had hints of this scale invariance and dimensional weirdness.
	2019-04-03: The Edge of an Infinite Universe 13:17: You can extrapolate to any number of extra dimensions – say a 3+1 dimensional - Poincare ball. 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. 13:17: You can extrapolate to any number of extra dimensions – say a 3+1 dimensional - Poincare ball. 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.
	2018-12-20: Why String Theory is Wrong 11:08: So whereas the original superstring theories were ten dimensional with six compactified, M-theory is 11D, with seven hidden dimensions. 11:32: Actually, the realization that superstring theory could be 11 dimensional was a revolution. It sparked the second superstring revolution. 11:49: ... So it was incredibly exciting that string theory appeared to have an 11 dimensional version, M-theory, to correspond to everyone's favorite 11 D super ... 12:53: The behavior of strings in these hyper dimensional surfaces is only understood in idealized cases. 11:49: ... So it was incredibly exciting that string theory appeared to have an 11 dimensional version, M-theory, to correspond to everyone's favorite 11 D super ...
	2018-11-14: Supersymmetric Particle Found? 14:17: To quote, "I thought one of the fundamental properties of the strings was that the maths only works if they are one dimensional.
	2018-11-07: Why String Theory is Right 10:25: That's on the 2D dimensional world sheet of a quantum string. 10:41: ... but only for 1D strings making a 2D world sheet, not for any other dimensional ...
	2018-08-01: How Close To The Sun Can Humanity Get? 14:08: That their writing is one dimensional?
	2017-03-29: How Time Becomes Space Inside a Black Hole 10:47: ... this mysterious dimensional flip does give us some fascinating insight into how time and space blend ...
	2017-02-02: The Geometry of Causality 11:56: ... of the core of a black hole an artifact of the limitations of three dimensional mathematics?" Well, maybe, sort ...
	2016-09-21: Quantum Entanglement and the Great Bohr-Einstein Debate 10:41: ... example, entangled particles may be dimensionally connected by Einstein-Rosen bridges, wormholes that allows instantaneous ...
	2016-06-15: The Strange Universe of Gravitational Lensing 01:27: ... theory of relativity describes the real universe as a flexible, dynamic dimensional grid that only resembles our mind's eye Euclidean lattice in the absence ...
	2016-04-06: We Are Star Stuff 11:34: Space is still three dimensional, and perhaps infinite in all three dimensions.
	2016-03-16: Why is the Earth Round and the Milky Way Flat? 02:53: And this type of dimensional egalitarianism is also shared by another effect, ultimately leading to the ball shapes of stars, planets, and moons.
	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.
	2015-12-09: How to Build a Black Hole 02:51: ... think not in regular 3D space or even 4D space time but, rather, in six dimensional quantum phase ...
	2015-10-28: Is The Alcubierre Warp Drive Possible? 05:33: ... warp field, and you hypothetically soften the fabric of space via higher dimensional effects-- literally, a hyper space warp ...
	2015-07-29: General Relativity & Curved Spacetime Explained! 02:21: ... to explain if I first set up an analogy using our old friend the two dimensional ant on the surface of the ... 08:32: ... just a lot easier to say the word gravity than say curvature of four dimensional ... 02:21: ... to explain if I first set up an analogy using our old friend the two dimensional ant on the surface of the ... 08:32: ... just a lot easier to say the word gravity than say curvature of four dimensional spacetime. ...
	2015-07-08: Curvature Demonstrated + Comments 05:18: ... the video, the Earth it was shown was supposed to be the physical, three dimensional Earth, and we were taking a vector and moving along a circle in orbit ... 05:27: ... you wanted to know if the three dimensional space around Earth is curved, you would follow the procedure of using ... 05:18: ... the video, the Earth it was shown was supposed to be the physical, three dimensional Earth, and we were taking a vector and moving along a circle in orbit around ... 05:27: ... Earth is curved, you would follow the procedure of using Euclidean three dimensional rules to parallel transport that vector around the circle and see if you end ... 04:19: ... Shi and SamBskate were both asking how the dimensionality of the ambient space in which the surface of the sphere is embedded-- ...
	2015-07-02: Can a Circle Be a Straight Line? 03:39: From the ant's two dimensional confined perspective, curve one between A and B is straight. 03:55: ... from the ambient three dimensional perspective, you could say that those tangent vectors aren't really ... 04:08: ... parallel, tangent, and straight that it can apply solely within that two dimensional ... 04:47: By the same process you can find geodesics on a saddle or a hillside or in three dimensional spaces. 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? 07:24: And 3D curved space isn't what explains away gravity, it's four dimensional curved spacetime. 03:39: From the ant's two dimensional confined perspective, curve one between A and B is straight. 07:24: And 3D curved space isn't what explains away gravity, it's four dimensional curved spacetime. 03:55: ... from the ambient three dimensional perspective, you could say that those tangent vectors aren't really staying parallel ... 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.
	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. 04:33: Instead, it's a four dimensional non-Euclidean mathematical space that's just there. 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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