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	2022-10-19: The Equation That Explains (Nearly) Everything! 04:36: ... the behavior of particles in a certain volume, we have to add up infinitely many Lagrangian Densities over that volume. Although in practice ...
	2022-08-17: What If Dark Energy is a New Quantum Field? 12:31: ... -1 - that’s the big rip, in which all points in space eventually become infinitely far apart. Fortunately, that seems ...
	2022-05-04: Space DOES NOT Expand Everywhere 09:16: ... general relativity, space can be infinitely divided. That means we can start with a universe that’s small and grid ... 10:33: ... all works if space is infinitely divisible. But we know that at the smallest scales, general relativity ... 10:52: ... which must expand out of the old Planck lengths. That implies an infinitely divisible space emerging from within each Planck ... 11:22: ... fabric of space, it’s still possible to expand it or condense it infinitely without changing its fundamental nature. Empty space can be rescaled ... 13:16: ... horizon, in which case we never would have even known that we live in an infinitely expanding ... 09:16: ... general relativity, space can be infinitely divided. That means we can start with a universe that’s small and grid it up and ... 10:33: ... all works if space is infinitely divisible. But we know that at the smallest scales, general relativity comes into ... 10:52: ... which must expand out of the old Planck lengths. That implies an infinitely divisible space emerging from within each Planck ... 13:16: ... horizon, in which case we never would have even known that we live in an infinitely expanding ...
	2022-03-30: Could The Universe Be Inside A Black Hole? 12:16: ... black hole and so on ad infinitum in a series of black holes, forming an infinitely nested space ...
	2022-02-16: Is The Wave Function The Building Block of Reality? 17:28: ... at your “infinite distance”. And it’s the surface from which light is infinitely redshifted - sapped of all energy - before it reaches that infinite ...
	2022-02-10: The Nature of Space and Time AMA 00:03: ... of these dimensions is continuous in that you can subdivide space uh infinitely uh you know to to uh arbitrarily small pieces and same with time you ...
	2021-08-18: How Vacuum Decay Would Destroy The Universe 11:34: ... species,  let alone your own lifetime. Of course, in an   infinitely or sufficiently large universe then vacuum decay has definitely ...
	2021-06-16: Can Space Be Infinitely Divided? 01:16: ... the energy of light in this heat-glow was   not infinitely divisible. Rather came in quanta - chunks of energy that we now ...
	2020-10-27: How The Penrose Singularity Theorem Predicts The End of Space Time 10:15: ... and weave past each other in an insanely dense but not   infinitely dense knot. This might be the case if the universe underwent cyclic ... 12:51: ... by no means geodesically incomplete - rather it extends   infinitely into the future AND the past. With your help Space Time might do ... 10:15: ... and weave past each other in an insanely dense but not   infinitely dense knot. This might be the case if the universe underwent cyclic big ...
	2020-06-30: Dissolving an Event Horizon 01:12: Without it, the infinitely dense singularity and its surrounding madness is exposed to the outside universe.
	2020-06-15: What Happens After the Universe Ends? 00:45: ... goes like this: the infinitely far future, when the universe has expanded exponentially to to an ...
	2020-05-11: How Luminiferous Aether Led to Relativity 14:06: ... started from a singularity. How do you go from infinitessimally small to infinitely ... 14:42: ... galaxies we can see were compacted into a tiny point. There were just infinitely many of those tiny ... 14:06: ... started from a singularity. How do you go from infinitessimally small to infinitely large? ... 14:42: ... galaxies we can see were compacted into a tiny point. There were just infinitely many of those tiny ...
	2020-04-28: Space Time Livestream: Ask Matt Anything 00:00: ... now this doesn't sound very intuitive because you know you could just infinitely create an enormous amount of mass if you're allowed to continually ...
	2020-03-31: What’s On The Other Side Of A Black Hole? 08:44: ... as an inevitable crushing future, in which the space around you becomes infinitely ...
	2020-03-03: Does Quantum Immortality Save Schrödinger's Cat? 11:06: So let’s stick it to all those alternate realities, and make this the best of infinitely many diverging histories of space time.
	2020-02-11: Are Axions Dark Matter? 14:39: ... actually 13.5 billion years would be pretty close the beginning of an infinitely-long-lasting eternal inflation. Of course all of this is assuming that the universe ...
	2020-02-03: Are there Infinite Versions of You? 07:04: That means at least some regions must be repeated infinitely.
	2019-12-17: Do Black Holes Create New Universes? 03:26: ... black hole collapses, its mass doesn’t all end up stuck in the central, infinitely dense ...
	2019-12-02: Is The Universe Finite? 00:11: Although according to a new paper, it may literally be infinitely smaller than we previously thought. 01:38: ... the initial analysis from the Planck map, pointed to a universe that is infinitely large and geometrically flat, and is dominated by the influences of dark ... 07:33: That curvature was slight - meaning the universe is still unthinkably vast, but if this is right then it’s not infinitely large. 01:38: ... the initial analysis from the Planck map, pointed to a universe that is infinitely large and geometrically flat, and is dominated by the influences of dark ... 07:33: That curvature was slight - meaning the universe is still unthinkably vast, but if this is right then it’s not infinitely large. 00:11: Although according to a new paper, it may literally be infinitely smaller than we previously thought.
	2019-11-04: Why We Might Be Alone in the Universe 14:47: Troy Henry asked if a torus would serve as an infinitely long cylinder - well the answer is, sadly, no.
	2019-10-21: Is Time Travel Impossible? 07:13: It’s simple: just build an infinitely long cylinder of extreme density and set it rotating insanely quickly about its main axis. 07:46: If you don’t have the budget for an infinitely long cylinder, you could try building just a very, very long cylinder… and be horribly disappointed. 07:55: Stephen Hawking showed that unless the cylinder is infinitely long this doesn’t work – unless you also modify the spacetime with negative energy. 11:17: ... prohibits it - for example, the quantum vacuum may be unstable in the infinitely iterating loops of a closed timelike ... 07:13: It’s simple: just build an infinitely long cylinder of extreme density and set it rotating insanely quickly about its main axis. 07:46: If you don’t have the budget for an infinitely long cylinder, you could try building just a very, very long cylinder… and be horribly disappointed. 07:55: Stephen Hawking showed that unless the cylinder is infinitely long this doesn’t work – unless you also modify the spacetime with negative energy. 07:13: It’s simple: just build an infinitely long cylinder of extreme density and set it rotating insanely quickly about its main axis. 07:46: If you don’t have the budget for an infinitely long cylinder, you could try building just a very, very long cylinder… and be horribly disappointed.
	2019-10-07: Black Hole Harmonics 00:41: ... highly theoretical objects – static, unchanging black holes viewed from “infinitely” far ...
	2019-08-19: What Happened Before the Big Bang? 09:06: ... stunning; inflation never stops, but rather forms a fractal structure of infinitely expanding space in dispersed with bubble universes of all different ... 09:56: Can eternal inflation last infinitely into the past as well as the future? 09:06: ... stunning; inflation never stops, but rather forms a fractal structure of infinitely expanding space in dispersed with bubble universes of all different ...
	2019-08-06: What Caused the Big Bang? 12:59: But these will have to wait for a follow-up episode when we step into the multiverse of an infinitely inflating...
	2019-04-24: No Dark Matter = Proof of Dark Matter? 00:03: ... space but looks like a Jedi in a three-dimensional surface infinitely far away fleam notes that this is a form of Jedi Time Lord duality try ...
	2019-04-10: The Holographic Universe Explained 00:24: ... spacetime one dimension lower – like a hologram projected from a surface infinitely far ... 05:43: We see scale invariance in fractal patterns, where the rules defining the structures repeat to infinitely large or small scales. 13:06: Anyone inside the hyperbolic space still has to travel infinitely far to get to that edge. 14:27: An abstract mathematical surface infinitely far from our location and from our intuition, projecting inwards our familiar holographic spacetime. 05:43: We see scale invariance in fractal patterns, where the rules defining the structures repeat to infinitely large or small scales.
	2019-04-03: The Edge of an Infinite Universe 00:50: Beyond it there exists at a minimum of thousands and possibly infinitely more regions just as large. 03:57: ... the other hand, assuming all these types exist, there should be infinitely more people in infinite universes compared to people in non-infinite ... 05:03: ... singularity) It was Roger Penrose who defeated the true infinity of an infinitely large ... 08:37: He found that two “infinitely distant” regions could not both be in a perfect vacuum state if a black hole lay between them. 11:56: The boundary is infinitely far away and looks the same no matter where we travel. 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. 14:49: Every particle, every gravitational effect in the bulk is represented by quantum fields on an infinitely distant surface. 08:37: He found that two “infinitely distant” regions could not both be in a perfect vacuum state if a black hole lay between them. 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. 14:49: Every particle, every gravitational effect in the bulk is represented by quantum fields on an infinitely distant surface. 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. 08:37: He found that two “infinitely distant” regions could not both be in a perfect vacuum state if a black hole lay between them. 14:49: Every particle, every gravitational effect in the bulk is represented by quantum fields on an infinitely distant surface. 05:03: ... singularity) It was Roger Penrose who defeated the true infinity of an infinitely large ...
	2019-03-28: Could the Universe End by Tearing Apart Every Atom? 00:05: ... cats and dogs living together and then tragically separated by the infinitely accelerating expansion of space on subatomic ... 10:03: ... be nothing but hopelessly isolated elementary particles separated by infinitely expanding space. That's a hell of a ... 12:53: ... all be over much sooner when the universe is ripped to shreds by the infinitely accelerating subatomic structure of ... 00:05: ... cats and dogs living together and then tragically separated by the infinitely accelerating expansion of space on subatomic ... 12:53: ... all be over much sooner when the universe is ripped to shreds by the infinitely accelerating subatomic structure of ... 00:05: ... cats and dogs living together and then tragically separated by the infinitely accelerating expansion of space on subatomic ... 12:53: ... all be over much sooner when the universe is ripped to shreds by the infinitely accelerating subatomic structure of ... 10:03: ... be nothing but hopelessly isolated elementary particles separated by infinitely expanding space. That's a hell of a ...
	2019-02-07: Sound Waves from the Beginning of Time 15:51: In fact, we can imagine infinitely more things than a real.
	2019-01-30: Perpetual Motion From Negative Mass? 13:18: ... and is repelled by negative mass, come up with a way to use a pair of infinitely accelerating positive and negative mass objects to build a perpetual ...
	2018-08-23: How Will the Universe End? 09:09: ... diffuse and dim as the accelerating expansion of space continues and the infinitely long progression to absolute heat death is all that ... 14:24: If, by contrast, you have an infinitely thin shell of charge surrounding a mass, your g equals 5/3. 09:09: ... diffuse and dim as the accelerating expansion of space continues and the infinitely long progression to absolute heat death is all that ...
	2018-04-11: The Physics of Life (ft. It's Okay to be Smart & PBS Eons!) 01:24: ... or all the matter in the observable universe being crunched into an infinitely dense point are low ...
	2018-02-21: The Death of the Sun 11:27: ... point, but we could equally make it the center of the Earth or a point infinitely far ...
	2018-01-17: Horizon Radiation 09:29: In momentum space, we can think of it as a superposition of infinitely many momentum modes.
	2017-12-06: Understanding the Uncertainty Principle with Quantum Fourier Series 05:01: Is it even possible to make an instantaneous spike at one point in time out of a bunch of sine waves that themselves extend infinitely through time? 05:12: ... to get a spike at one point in time, you need to use infinitely many different frequency sine waves, each of which exists at all points ... 05:30: ... a perfectly known frequency is a simple traveling sine wave that extends infinitely in time so the time of its existence is ... 14:27: Well, Jaden, the trick is to assume geckos with infinitely high tensile strength. 05:12: ... to get a spike at one point in time, you need to use infinitely many different frequency sine waves, each of which exists at all points in ...
	2017-09-28: Are the Fundamental Constants Changing? 13:41: ... whether it would be feasible to build something like an aragoscope with infinitely many concentric rings by using some sort of advanced diffracting ...
	2017-08-30: White Holes 03:24: ... events occurring at the event horizon, including folding into it, happen infinitely far in the ... 04:14: We find the singularity again lurking infinitely far in the past. 07:20: The light rays from any crossing reach us infinitely far in the future, even if the black hole plunge began far in the past. 08:11: The past singularity and past event horizon are infinitely far in the past from our point of view.
	2017-07-07: Feynman's Infinite Quantum Paths 03:27: But when something travels through empty space, it's like it's traveling through infinitely packed barriers, each with infinite slits.
	2017-06-21: Anti-Matter and Quantum Relativity 06:38: ... moving in an electromagnetic field could keep releasing energy as light infinitely, and sink lower and lower, to infinite negative energy ... 07:00: Imagine an infinitely deep ocean of electrons that exists everywhere in the universe. 08:44: These fields are more like membranes than infinitely deep oceans. 07:00: Imagine an infinitely deep ocean of electrons that exists everywhere in the universe. 08:44: These fields are more like membranes than infinitely deep oceans. 07:00: Imagine an infinitely deep ocean of electrons that exists everywhere in the universe. 08:44: These fields are more like membranes than infinitely deep oceans.
	2017-06-07: Supervoids vs Colliding Universes! 09:37: But regardless, in an infinitely inflating space time, collisions between bubble universes are eventually expected.
	2017-04-26: Are You a Boltzmann Brain? 04:17: Imagine an infinitely large room-- a universe that's in perfect thermal equilibrium for infinite time.
	2017-04-05: Telescopes on the Moon 13:07: So do you get infinitely spaghettified before you are tortellinified?
	2017-03-22: Superluminal Time Travel + Time Warp Challenge Answer 07:06: Well, you just trace the photon paths, assuming for a moment that an FTL ship doesn't produce infinitely red or blue shifted photons.
	2017-01-19: The Phantom Singularity 01:43: ... often use the word singularity to describe the hypothetically infinitely dense core of a black hole, but in math the meaning of this word is much ... 02:54: It's possible to pass their time zones infinitely quickly, but only because of your choice of spherical coordinates. 09:42: ... and so it can hang out at the event horizon, which also only exists at 1 infinitely stretched out ... 01:43: ... often use the word singularity to describe the hypothetically infinitely dense core of a black hole, but in math the meaning of this word is much more ... 09:42: ... and so it can hang out at the event horizon, which also only exists at 1 infinitely stretched out ...
	2017-01-04: How to See Black Holes + Kugelblitz Challenge Answer 09:33: Fortunately, I said that the sphere was infinitely strong. 10:41: ... slight problem of having blocked out the sun, but hey, we just built an infinitely strong Dyson sphere and charged it with an impossible amount of ... 09:33: Fortunately, I said that the sphere was infinitely strong. 10:41: ... slight problem of having blocked out the sun, but hey, we just built an infinitely strong Dyson sphere and charged it with an impossible amount of ...
	2016-12-14: Escape The Kugelblitz Challenge 00:14: ... of space and time, allowing us to fit onto the one diagram the infinitely stretched space-time in the vicinity of a black hole's event ... 05:55: Plan A is to build an infinitely-strong Dyson sphere surrounding the earth just outside the moon's orbital radius.
	2016-06-22: Planck's Constant and The Origin of Quantum Mechanics 01:05: There are a few problems with this paradox, but one is that it assumes that space is infinitely divisible. 06:19: The problem turned out to be that in classical physics, everything can be infinitely divided. 06:51: ... Rayleigh and Jeans were chasing Zeno's tortoise, infinitely dividing the smallest remaining energy states, and so never ever finding ... 06:19: The problem turned out to be that in classical physics, everything can be infinitely divided. 06:51: ... Rayleigh and Jeans were chasing Zeno's tortoise, infinitely dividing the smallest remaining energy states, and so never ever finding an end ... 01:05: There are a few problems with this paradox, but one is that it assumes that space is infinitely divisible.
	2016-04-27: What Does Dark Energy Really Do? 00:33: Observations show that out universe is infinitely expanding. 05:46: ... recollapsing universe and faint or more distant in a low-density, infinitely-expanding ...
	2016-04-20: Why the Universe Needs Dark Energy 04:04: Such a universe is infinitely large, or "open." But "k equals 0" means the universe is flat. 04:51: An underdense, infinitely expanding universe should be hyperbolic. 06:13: This is totally inconsistent with the level of positive curvature we'd expect from an infinitely expanding universe. 04:51: An underdense, infinitely expanding universe should be hyperbolic. 06:13: This is totally inconsistent with the level of positive curvature we'd expect from an infinitely expanding universe. 04:51: An underdense, infinitely expanding universe should be hyperbolic. 06:13: This is totally inconsistent with the level of positive curvature we'd expect from an infinitely expanding universe. 04:04: Such a universe is infinitely large, or "open." But "k equals 0" means the universe is flat.
	2016-03-02: What’s Wrong With the Big Bang Theory? 00:10: The Big Bang Theory suggests that once the entire universe was compacted into an infinitely small speck at the beginning of time.
	2015-12-09: How to Build a Black Hole 10:05: On our clock, the singularity forms infinitely far in the future.
	2015-10-07: The Speed of Light is NOT About Light 10:52: Imagine an infinitely long ruler with markings spaced at every inch. 10:56: If we stretched the ruler so that the markings are spaced at every two inches, the ruler is still infinitely long. 10:52: Imagine an infinitely long ruler with markings spaced at every inch. 10:56: If we stretched the ruler so that the markings are spaced at every two inches, the ruler is still infinitely long. 10:52: Imagine an infinitely long ruler with markings spaced at every inch.
	2015-09-30: What Happens At The Edge Of The Universe? 02:44: Bad news, you'd have to travel infinitely far, even if you were in a spaceship that could travel at the speed of light. 05:49: And there are many types of infinity, including some that involve infinitely repeating versions of this bit of the universe. 07:12: ... our universe may just be a slowly expanding bubble in an exponentially infinitely-inflating ...
	2015-08-19: Do Events Inside Black Holes Happen? 09:13: ... not what you mean by "density." Maybe you mean that all black holes are infinitely dense because all the stuff that goes into the black hole collapses to ...
	2015-07-15: Can You Trust Your Eyes in Spacetime? 01:48: And I've got an infinitely long stick with tick marks on it attached to me at the x equals zero mark, my own personal x-axis.
	2015-05-20: The Real Meaning of E=mc² 05:32: Suppose we call the potential energy of a proton and electron zero when they're infinitely far apart.

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