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	2022-12-14: How Can Matter Be BOTH Liquid AND Gas? 17:05: Amorphant points out that we didn’t mention magnetic monopoles as an example of quasiparticles.
	2022-11-16: Are there Undiscovered Elements Beyond The Periodic Table? 18:57: ... Cleveland points out that life may have had the potential to arise many times on early, ...
	2022-10-12: The REAL Possibility of Mapping Alien Planets! 12:52: ... to distinguish from their colours.   And if we spot bright points of light on the  planet’s night side - aka cities - that ...
	2022-09-21: Science of the James Webb Telescope Explained! 15:31: ... points out that we forgot to mention one of the important Higgs experiments - ... 16:13: nyrdybyrd points out that the info from this Higgs episode is an influential argument for a badass new particle collider.
	2022-08-17: What If Dark Energy is a New Quantum Field? 12:31: ... not true if omega is less than -1 - that’s the big rip, in which all points in space eventually become infinitely far apart. Fortunately, that seems ...
	2022-08-03: What Happens Inside a Proton? 09:50: ... of spacetime technically   contains an infinite number of points and  no computer can hold an infinite amount of   memory. ... 12:15: ... our couple quark-gluon field looks like this: a lattice of points with connections.   The points are the quark field and  ... 12:52: ... After all, spacetime isn’t really   a discrete lattice of points. But it turns  out that the things you want to ... 15:29: ... booba points out an error in our definition of “absolute zero” temperature. We ... 09:50: ... of spacetime technically   contains an infinite number of points and  no computer can hold an infinite amount of   memory. So we ... 08:58: ... by adding up the probabilities of all possible paths between those points.   Actually, it also includes the impossible paths, but no time to ...
	2022-07-20: What If We Live in a Superdeterministic Universe? 11:54: And that’s … impossible because if you trace the past lightcone of any two points in the observable universe back far enough they will overlap. 16:32: ... Van Cantfort points out that a bigger problem than these conventions might be just the units ... 17:03: ... that note, Dandelion Stitches points out that the problem with electric charge sign convention could be ... 18:07: ... as Benjamin Heasly points out, aliens would surely give some tests we could run to not risk ...
	2022-06-30: Could We Decode Alien Physics? 13:42: ... choice reveals something powerful.   It points to the existence of an  underlying symmetry of space ...
	2022-06-15: Can Wormholes Solve The Black Hole Information Paradox? 07:24: ... probability of some quantum   particle traveling between two points by adding up all ways the particle could make that ... 09:36: ... They’re actually complex geometries,   distances between some points are complex-valued rather than real valued. But for the ...
	2022-05-25: The Evolution of the Modern Milky Way Galaxy 18:10: ... to that comment to address the  dark energy issue. He rightly points out   that the Schwarzschild metric isn’t really valid in ...
	2022-05-18: What If the Galactic Habitable Zone LIMITS Intelligent Life? 04:32: ... So it sounds like the galaxy should  be full of potential starting points for life,   even if we assume that life can  only form on ...
	2022-05-04: Space DOES NOT Expand Everywhere 01:24: ... motion or “peculiar velocity” is small compared to the fact that distant points are moving apart - receding - and the further distant the faster the ... 03:48: ... Pythagorus for 4-D spacetime - the squared proper distance between two points is the sum of the squares of x, y & z, but here adding the dimension ... 07:12: ... the universe becomes an expanding ring instead of a ,sphere, with grid points instead of gridlines. But then we can add the dimension of time into our ... 07:58: ... gridlines to be pulled together on a sphere, then on the ring it causes points to be pulled together, and they maintain that separation as the ring ... 09:38: ... the universe of the present and define a grid of space - or a grid of points on our 1-D ring universe. Then we rewind the universe and every single ... 07:12: ... our picture so that the expanding ring traces a sort of cone, and the points trace lines. This is nice because you can show the changing rate of expansion ... 09:38: ... ring universe. Then we rewind the universe and every single one of those points traces a path back to the big bang. We can make the starting grid as fine as we ...
	2022-04-27: How the Higgs Mechanism Give Things Mass 11:02: ... not be symmetric to the same rotations,   because different points around this valley  correspond to different physical states.  ...
	2022-04-20: Does the Universe Create Itself? 14:50: ... that the center of the universe and the location of the big bang are points in time in the past. So, they’re fair as long as you explain what you ...
	2022-03-30: Could The Universe Be Inside A Black Hole? 01:30: ... the universe when all matter was compressed to infinite density and all points in space ... 04:41: In fact, in general relativity, singularities are defined as the end points of geodesics.
	2022-03-23: Where Is The Center of The Universe? 07:27: Now imagine that 2-D dweller points at a random direction. 07:39: ... around the closed universe as the sphere shrinks, until eventually all points in the universe, including the pointed line, coincide with the ... 09:40: ... mean, if all points converged onto the same point at the beginning - if all geodesics ... 10:03: The math of the FLWR metric and the Friedman equations tell us that as time approaches zero, the distance between any two points approaches zero. 10:13: But at the same time there are infinite points. 10:03: The math of the FLWR metric and the Friedman equations tell us that as time approaches zero, the distance between any two points approaches zero. 09:40: ... mean, if all points converged onto the same point at the beginning - if all geodesics emerged from ...
	2022-03-16: What If Charge is NOT Fundamental? 08:42: It may seem like the strong force led us astray - but actually it points to the answer.
	2022-03-08: Is the Proxima System Our Best Hope For Another Earth? 19:37: ... that is, we  can see the difference in the phase angle between two points in ...
	2022-02-23: Are Cosmic Strings Cracks in the Universe? 04:51: ... new vacuum state - we call this vacuum   decay. Neighboring points in a field drag on each  other, pulling them towards the same ... 05:59: ... the phase angle would have been similar   because these points were all pulled in the  direction of the initial nucleation event. ... 04:51: ... So, when vacuum   decay started at one point neighboring points were  dragged to the same part of the Higgs minimum.   A bubble of ... 00:00: ... If the crystallization  process starts from multiple nucleation points   then there’ll be imperfections in the lattice  structure where the ...
	2022-02-10: The Nature of Space and Time AMA 00:03: ... uh space and the laws of physics emerge from connections between points in a graph that have rules of interactions between them okay and ...
	2022-01-27: How Does Gravity Escape A Black Hole? 14:41: Thanks for the details guys - we went deep on this one and may have missed a few points. 16:25: ... speaking of the Milky Way-Andromeda collision, Roli Rivelino points out that way back in our 3-body problem video, they asked how we can ...
	2022-01-12: How To Simulate The Universe With DFT 03:17: Let’s say we have a fairly crude grid of 10 data points in 1-D. 03:21: The 3-D equivalent would need 10^3 - 1,000 data points. 05:15: ... for a given pair of coordinate points for electrons one and two, we need to consider every possible point for ... 06:37: ... we can throw away most of configuration space and consider just the few points in that space where the particles actually exist at a given point in ... 18:51: ... want to avoid the Reapers then that might be doing just that. Defeshh points out that it’s scary to imagine an alien civilization that would need the ... 20:07: ... Angelbar points out the other thing we might do with a matryoshka brain powered by a a ...
	2021-12-29: How to Find ALIEN Dyson Spheres 04:10: Dyson’s original notion was simply to search for points of light with temperatures of a few hundred Kelvin, but emitting the power of an entire star.
	2021-12-20: What Happens If A Black Hole Hits Earth? 09:03: ... seismic waves would reach all points on the Earth’s surface. Even at the lowest mass possible for a ... 19:14: ... points out that any well-developed intuition for physics points to the ...
	2021-12-10: 2021 End of Year AMA! 00:02: ... really a great one how is it that exchanging a particle between two points can cause those those points to come together surely the momentum ...
	2021-11-17: Are Black Holes Actually Fuzzballs? 12:10: The event horizon is just the pair of equidistant points on the line inside of which escape is impossible.
	2021-11-02: Is ACTION The Most Fundamental Property in Physics? 00:02: ... 40 AD, Heron of Alexandria noticed that when light moves between two points, out of all the possible paths between them, it follows the shortest one. ... 04:29: ... be possible to figure out the path that any object will take between two points as long as you can find a way to determine which has the minimum action. ... 09:24: ... is at a minimum or maximum. That should correspond only to the central points of those bands. However we see particles landing at every location in ... 09:56: ... only where this quantum action varied slowly - near it’s stationary points, just like with classical ... 11:38: ... that could lead to that destination line up. Away from those special points, very tiny changes in the path lead to rapid changes in the phase, ... 11:59: ... Dirac started to guess, particles tend to end up near the stationary points of the quantum action. In the path integral, this happens for paths that ... 17:24: ... Andy points out that constructor theory seeks to narrow down the space of all ...
	2021-10-13: New Results in Quantum Tunneling vs. The Speed of Light 05:56: It seems natural to define those times as whenever the center of the wavefunction passes the start and end points. 06:45: It’s hard to measure the travel time of a quantum train OR a quantum wavefunction because it’s hard to define the start and end points. 07:28: ... instead ask the following: is it possible to send a message between two points that are separated by a barrier faster than you can transmit the same ... 14:43: ... direction of the Higgs field becomes free to vary wildly and adjacent points in the field are less coupled to each ... 14:53: Only when the field cools down to adjacent points become more tied to each other.
	2021-10-05: Why Magnetic Monopoles SHOULD Exist 02:37: The divergence is just this mathy term for the amount that a field points inward toward a sink or outward toward a source. 10:05: ... can have a little internal arrow that points in a particular direction - not pointing in physical space, but in the ... 10:47: These are topological discontinuities - points that can’t be removed by a smooth defomation of space. 15:04: 4fmagnet points out a potentially misleading point in that episdoe. 15:39: ... points out that we don’t need to keep talking about spin as this ...
	2021-09-07: First Detection of Light from Behind a Black Hole 11:54: ... it when we can map the space around black holes by watching flickering points in the sky, and in that flickering reconstruct how light reverberates ...
	2021-08-18: How Vacuum Decay Would Destroy The Universe 06:08: ... quantum fields are connected and tug at their   adjacent points across space, which is why  their oscillations propagate as ...
	2021-08-10: How to Communicate Across the Quantum Multiverse 04:30: ... because that can produce an oscillation, and in which adjacent points pull on each other, cause that can cause the oscillation to ...
	2021-08-03: How An Extreme New Star Could Change All Cosmology 03:58: ... that even our highest-resolution telescope cameras see them as single points of light. But astronomers have a clever trick. If you know how much ...
	2021-07-13: Where Are The Worlds In Many Worlds? 04:23: ... is chosen from a vast array of possibilities, a sprinkling of the high points of the cosmic ... 05:59: The wavefunction of the electron joins the wavefunction of the detector screen at all points, rippling onwards. 07:57: ... troughs could still line up in a systematic way to produce high and low points in the wavefunction - meaningful blips in the probability ... 05:59: The wavefunction of the electron joins the wavefunction of the detector screen at all points, rippling onwards.
	2021-07-07: Electrons DO NOT Spin 06:10: ... might expect a blur of points where the  silver atoms hit the detector screen - some deflected up ... 09:59: ... think of electrons as being connected to  all other points in the universe by invisible strands. One rotation causes a twist, two ...
	2021-06-23: How Quantum Entanglement Creates Entropy 13:09: ... as an extra trick, it also defines the arrow of time which itself points in the direction of   increasing entropy and multiplying ... 16:39: ... of you replied with good  answers - Daemonxblaze points out   that quantum teleportation, aka quantum ... 17:55: ... momentum of the photon used to measure that position.   F points out that surely we should have some idea how that momentum transfer ... 18:41: ... John points out that  the Kessler syndrome is like   zombies - ... 16:39: ... of you replied with good  answers - Daemonxblaze points out   that quantum teleportation, aka quantum tunneling,   is ...
	2021-05-11: How To Know If It's Aliens 17:14: ... Chaps correctly points out that there are scientists who have pushed the black hole dark matter ...
	2021-02-17: Gravitational Wave Background Discovered? 00:00: ... what is known as a quadrupole wave if the wave passes through a ring of points those points would move in and out like this okay so imagine these ...
	2021-01-26: Is Dark Matter Made of Particles? 14:59: ... Suku points out that the difference between the traveling and stay-at-home twin is ...
	2021-01-19: Can We Break the Universe? 07:00: The traveling twin declares that multiple points in the stationary twin’s past and future are all happening in her present. 11:18: So that’s also the line on which we lay down points along the length of our spaceship. 11:40: They exist at the same point in space at different points in time.
	2020-12-22: Navigating with Quantum Entanglement 04:12: This “declination” points towards the magnetic poles, which are offset from the true poles defined by Earth’s rotational axis.
	2020-11-18: The Arrow of Time and How to Reverse It 11:16: ... that our choices have fundamental unpredictability. Dr Diagrams also points us to Scott Aaronson’s essay "The Ghost in the Quantum Turing Machine”, ...
	2020-10-27: How The Penrose Singularity Theorem Predicts The End of Space Time 06:38: ... the progression of space and time   beyond one of these focal points. In other  words, space and time end at the ... 07:05: ... tells us that the null geodesic does not continue past the focal points AS a null geodesic. Null   geodesics terminate at these focal ... 11:10: ... relativity, and so GR must break down at   those points. The resolution must be the union of general relativity and quantum ... 13:38: ... some would argue that means many worlds.   Michal Grno points out that we forgot to mention Carlo Rovelli's relational QM ... 07:05: ... means space   and/or time end at these termination points. It doesn’t just freeze, they literally ...
	2020-10-20: Is The Future Predetermined By Quantum Mechanics? 12:39: Anonymous makes some important points, I'll summarize.
	2020-10-13: Do the Past and Future Exist? 02:08: Newton assumed that all particles, all observers, all points in space were ruled by a single, constantly ticking clock. 10:10: After all, they could have travel to those points from our own past. 13:36: ... Williams points out that any Venusian life that we find is very likely from Earth - ... 13:44: And Afto Kinito points out that it could easily have happened in the other direction - Earth life being seeded by Venusian meteorites.
	2020-09-28: Solving Quantum Cryptography 12:27: Suppose you have an enormous field dotted regularly with points.
	2020-09-21: Could Life Evolve Inside Stars? 02:13: The transition between all points would be smooth, with the grain changing angle only slightly. 15:20: Shirsendu Chatterjee points out that it’s finally time to give the address to the time traveler’s party that we hosted a year ago.
	2020-09-08: The Truth About Beauty in Physics 12:54: But it also points us true, if we take care to apply scientific rigor in between leaps of intuition.
	2020-08-17: How Stars Destroy Each Other 07:09: ... galaxy in gamma rays - the highest energy light there is - the brightest points you see are pulsars, and those gamma ray spots are pretty much always ...
	2020-08-10: Theory of Everything Controversies: Livestream 00:00: ... a finite number of theories to a continuum with those as its extreme points as the field learned more about what it was saying it kept changing ...
	2020-07-20: The Boundary Between Black Holes & Neutron Stars 12:34: ... horizon by throwoing more and more electric charge into it - Ultimantis points out that it would be increasingly difficult to do so as the black hole ...
	2020-06-15: What Happens After the Universe Ends? 15:54: ... points out that the DNA of all life that evolved on earth uses the same code ...
	2020-05-18: Mapping the Multiverse 14:55: ... personally think it will be - whatever points beyond the current mess may need to be revolutionary and come from an ... 16:07: ... was the following: As you rewind the universe towards zero age, distant points in space end up closer and closer - and there is no point that is so ...
	2020-05-11: How Luminiferous Aether Led to Relativity 05:08: ... between a pair of slits, like water waves do. These bright bands are points on the screen where the waveforms of light emerging from the two slits ... 10:02: ... reflect this. That is the Michelson-Morley experiment. For extra genius points, they floated the whole setup in a tub of frictionless mercury so it ... 14:42: ... into a tiny point. There were just infinitely many of those tiny points. ...
	2020-04-22: Will Wormholes Allow Fast Interstellar Travel? 16:15: ... in my apartment I'm not floating off in space somewhere. But morpheox points out that I really am. We all ...
	2020-04-14: Was the Milky Way a Quasar? 11:41: ... thousand times lower than that required for the Fermi Bubbles, evidence points to similar explanations in both cases — some combination of accretion ... 16:19: By almost a quarter of an hour." Tasha Montgomery points out that this makes Earth a Libra. Seriously Tasha Have you learned nothing on this show.
	2020-03-31: What’s On The Other Side Of A Black Hole? 00:37: ... lines of longitude merge, and all directions become south. We call these points coordinate singularities. A singularity is where a variable in the ... 14:15: ... points out that the way quantum states become increasingly entangled with their ... 14:41: Yuval Nehemia points out that Wojciech Zurek looks like the physicist version of Bob Ross. 00:37: ... lines of longitude merge, and all directions become south. We call these points coordinate singularities. A singularity is where a variable in the equation becomes ...
	2020-03-16: How Do Quantum States Manifest In The Classical World? 02:56: ... have a property called quantum spin. That spin has an axis that points in some direction, analogous to the axis of a rotating ball. To measure ...
	2020-03-03: Does Quantum Immortality Save Schrödinger's Cat? 12:03: ... Goswami points out that the different matter configurations between experimental ...
	2020-02-24: How Decoherence Splits The Quantum Multiverse 06:59: Let’s also think about two paths that reach different points on the screen. 07:30: ... of states - it passed through both slits AND it reaches both points on the screen - as long the wavefunctions defining those outcomes remain ...
	2020-02-18: Does Consciousness Influence Quantum Mechanics? 13:51: Some of those questions were answered, but I thought I'd add a few points here.
	2020-02-11: Are Axions Dark Matter? 14:39: ... also points out that eternal inflation must have had a beginning, so it hasn't yet ...
	2020-02-03: Are there Infinite Versions of You? 05:32: But if there are finite starting points then at least SOME of those starting configurations have to be repeated infinite times. 12:29: Ilavenya rightly points out that no nice analytical solutions to the 3-body problem exist in general relativity - Einstein's modern theory of gravity. 13:31: So to remind you - Euler and Lagrange came up with a set of 3-body configurations that are now known as the Lagrange points. 14:14: These would no longer be called "Lagrange points", but they are true stable or metastable 3-body orbits.
	2020-01-27: Hacking the Nature of Reality 01:30: ... that matters are the observables - the measurable start and end points of an ... 14:13: Persona non grata asks whether migration traps are like Lagrange points. 14:17: Not really - in fact we covered Lagrange points last week.
	2020-01-20: Solving the Three Body Problem 06:43: ... the Earth’s orbit around the Sun. We now call these the Lagrange points, and they’re useful places to park our ...
	2019-12-09: The Doomsday Argument 15:37: ... Spring points out that there are flat geometries that are not infinite, but rather ...
	2019-12-02: Is The Universe Finite? 10:34: That would be surprising because most data points to a flat universe.
	2019-11-18: Can You Observe a Typical Universe? 17:09: Keith Strang correctly points out that we also have to talk about fine tuning of parameters to get a multiverse in the first place.
	2019-11-11: Does Life Need a Multiverse to Exist? 13:28: ... Juice points out that the formation of the moon due to a giant impact would also have ... 15:34: ... 213 points out that endosymbiosis - the process by which we think mitochondria got ...
	2019-11-04: Why We Might Be Alone in the Universe 04:53: ... billions of potential starting points for life in the Milky Way alone, even if we restrict ourselves to boring ...
	2019-10-21: Is Time Travel Impossible? 03:46: ... it can be stretched in such a way as to create a tunnel between two points – and one whose internal distances could be very short, even if the ... 04:00: This has the obvious benefit of allowing you to teleport between distant points in space, but also between distant points in time.
	2019-10-15: Loop Quantum Gravity Explained 07:33: Connections are mathematical functions that tell you how something, like a vector, changes as it moves between two points in a space.
	2019-09-16: Could We Terraform Mars? 16:31: This is the simplest type of quantum field, consisting of only a single scalar value at all points in space. 18:06: ... points out that while Venus lacks an Earth-type intrinsic magnetic field, the ...
	2019-07-18: Did Time Start at the Big Bang? 03:27: ... in terms of the scale factor That's the distance between any two points in space at some moment in time Relative to their distance at some other ... 04:32: Do that enough times and any two points, no matter how far apart they were, will end up as close together as you'd like. 04:38: ... this way doesn't leave us with a singularity The singularity is when all points are not just next to each other but literally in the same spot at which ... 05:15: ... the infinite universe becomes infinitesimal all points become the same point and three-dimensional space becomes zero ... 06:02: ... are the grids we use to map space-time Remember that in our rewind all points in the universe get arbitrarily close together before merging at T ...
	2019-07-15: The Quantum Internet 12:04: ... points out that proliferation is an especially lower risk from thorium reactors ... 14:45: KowashiHitori points out that Wind and solar won't build battlemechs... just saying.
	2019-05-16: The Cosmic Dark Ages 14:38: ... relays are weak points, especially if the states revert to classical information while being ...
	2019-05-01: The Real Science of the EHT Black Hole 02:08: And that phase difference itself is different for light coming from different points on the sky. 02:13: ... difference precisely, we can measure the angular separation between two points to a precision far better than any single ... 02:27: It resolves between two points on the sky if the separation between those points results in a relative phase shift of around one wavecycle. 02:36: ... to reach the second telescope should be different for the two different points on the sky, and that difference should be of order one wavelength for ... 02:51: ... means that an interferometer can resolve points separated by an angle that is the same as the ratio between the observed ...
	2019-04-24: No Dark Matter = Proof of Dark Matter? 00:03: ... we covered recently but no consistent theory has appeared a few points have come out in favor of the dark matter as mater hypothesis versus the ...
	2019-04-10: The Holographic Universe Explained 06:36: This adds a degree of freedom everywhere – like a new infinite number line at each of the 2-D grid points. 09:57: These are like multidimensional strings that can serve as start and end points for strings, but also as spaces embedded within higher-dimensions.
	2019-04-03: The Edge of an Infinite Universe 08:15: ... connected a quantum field between two points at infinite distance – past and future - where he could define the state ... 08:26: Then he placed a black hole in between these points and calculated how it perturbed the balance of a quantum field traced between them.
	2019-03-28: Could the Universe End by Tearing Apart Every Atom? 06:20: ... and with no gravitational bodies left to resist the expansion, all points in space will eventually be racing apart from each other faster than the ...
	2019-03-20: Is Dark Energy Getting Stronger? 11:02: The red points are consistently below the dashed line for large distances and redshifts.
	2019-03-13: Will You Travel to Space? 13:27: ... points out that atoms are perpetual motion machines, and there are hydrogen ...
	2019-03-06: The Impossibility of Perpetual Motion Machines 15:22: Julio Toboso García points out that the method used to model the CMB fluctuations - multipole expansion - sounds a like Fourier Analysis.
	2019-02-07: Sound Waves from the Beginning of Time 11:47: ... were when they formed, and we can see how big they are at different points in the modern universe from our redshift ...
	2019-01-24: The Crisis in Cosmology 14:01: Andrew Paulfreyman points out that...
	2019-01-16: Our Antimatter, Mirrored, Time-Reversed Universe 13:52: ... last week's comments next time - in fact, I really want to address a few points made by FieldStrength on the PBS Space Time subreddit: they covered all ...
	2018-12-20: Why String Theory is Wrong 15:37: ... our own you had your own Reflections on the subject. socks with sandals points out that parity inversion isn't the only thing reflected in a true ...
	2018-12-12: Quantum Physics in a Mirror Universe 00:02: ... it's still spinning in the same direction so the axis of that spin still points up but the same transformation on the electrons momentum vector leaves ...
	2018-12-06: Did Life on Earth Come from Space? 00:37: ... casting doubt on all established science as well Ian Oksana made similar points also adding that it's harmful of scientists or communicators do not ...
	2018-11-14: Supersymmetric Particle Found? 16:06: And to end on a funny, Dash to the Max points out that string theory is literally like playing a sad song on the world's smallest violin.
	2018-11-07: Why String Theory is Right 04:22: OK, let's switch to string theory where particles are not points. 08:19: ... the location of the peaks and valleys in different ways at different points in space without screwing up the ... 13:30: Philosophical points to consider as we continue to follow the mathematical beauty hopefully towards an increasingly true representation of spacetime.
	2018-10-31: Are Virtual Particles A New Layer of Reality? 15:32: Paper Dragon points out that not enough attention is paid to one particular possible great filter.
	2018-10-25: Will We Ever Find Alien Life? 06:32: That still seems surprising given those 40 billion possible starting points for life in the Milky Way. 13:54: ... theory has only one tunable parameter, Michael Murphy sarcastically points out that 10 to the power 500 is a little larger than ...
	2018-09-20: Quantum Gravity and the Hardest Problem in Physics 14:35: dabeste points out that it's important to emphasize that you're talking about the observable universe, not the entire universe. 15:01: VoodooD0g points out that the vacuum isn't really empty, what, with all the virtual particles popping into and out of existence.
	2018-09-12: How Much Information is in the Universe? 04:21: ... will be better to use the number of grid points in a quantum phase space, which includes position, but also other ... 12:51: Patrick points out that what I should've said was that they couldn't induce a second peak of gas release from the same samples. 15:35: Marco Dalla Gasparina points out that The Nothing can be defeated with the help of the Luck Dragon.
	2018-08-23: How Will the Universe End? 15:20: Epsilon Jay asks why electrons are thought of as infinitesimal points.
	2018-07-11: Quantum Invariance & The Origin of The Standard Model 05:32: A global phase shift looks like this, where all points move by the same amount.
	2018-07-04: Will A New Neutrino Change The Standard Model? 02:10: ... quantum chirality and the Higgs mechanism, and finally, why all of this points to sterile ...
	2018-06-13: What Survives Inside A Black Hole? 03:38: We can think of the gravitational field at any point as being caused by the gravitational field at surrounding points.
	2018-05-16: Noether's Theorem and The Symmetries of Reality 06:24: It's a generalization of Fermat's principle, which states that light will always take the path between two points that minimizes the travel time.
	2018-05-02: The Star at the End of Time 07:03: Individual points of white light will appear in the night sky, shining for up to a few billion years before winking out. 10:54: Anyway, as Gareth Dean points out, two of those dots were almost on top of each other, so we're all good.
	2018-04-11: The Physics of Life (ft. It's Okay to be Smart & PBS Eons!) 11:07: ... Diagrams points out that from the point of view of an inertial observer, an accelerating ... 11:45: Fernando Franco Felix points out something interesting.
	2018-03-28: The Andromeda-Milky Way Collision 10:00: Patrick Hogan points out that it's more accurate not to think about dark matter as a thing.
	2018-03-21: Scientists Have Detected the First Stars 06:55: At both of these points, the weight is momentarily still.
	2018-03-15: Hawking Radiation 09:09: Not from specific points on the event horizon.
	2018-02-28: The Trebuchet Challenge 01:25: More, it doesn't actually matter what path the object takes between two points under the influence of that force. 01:31: The change in speed for a given object will be the same as long as the start and end points are the same. 01:59: ... of kinetic energy that will be gained or lost by traveling between two points, then we can keep track of the potential for future gains or losses of ...
	2018-02-21: The Death of the Sun 10:59: It represents the energy exchange that would result from a particle or system moving between two points under the action of a conservative force. 11:07: It tells you the kinetic energy that will be gained or lost in motion between two points due to the work done by that force. 11:25: That said, there are conventions for those zero points.
	2018-02-14: What is Energy? 04:53: ... an object travels between two different points in a gravitational field, it will always experience the same conversion ... 05:07: ... path taken between two points within a conservative force field takes the same amount of work, the ... 12:58: ... Brockman points out that 15 Earth masses of terrestrial material is a lot a planet for a ... 14:02: ... Elytron points out the ridiculousness of astronomers calling all elements heavier than ...
	2018-01-31: Kronos: Devourer Of Worlds 08:52: Mark points to a paper-- Korycansky, Laughlin, and Adams, 2000-- that proposes a method to do just this. 09:34: TheRealMirCat points out that if Earth is our only home by the time all of this happens, we deserve to burn.
	2018-01-17: Horizon Radiation 04:52: Now every point in this field, this drum skin is connected to neighboring points. 06:24: Now, each one of these momentum modes exists at all spatial points in the universe.
	2018-01-10: What Do Stars Sound Like? 02:07: While the distance stars are infinitesimal points of light to even our best telescopes, the surface of the sun can be resolved in incredible detail. 11:02: He points out that they say the Earth's surface would be incinerated by such an event.
	2017-12-20: Extinction by Gamma-Ray Burst 01:33: At five or six different points in time over the past half billion years, a large fraction of species simply vanished from the fossil record. 12:44: Timothy Judge points out a significant potential error in the paper by Portegies Zwart and collaborators.
	2017-12-06: Understanding the Uncertainty Principle with Quantum Fourier Series 05:12: ... many different frequency sine waves, each of which exists at all points in ...
	2017-11-22: Suicide Space Robots 11:41: Doctor diagrams, I cede most of your points.
	2017-11-02: The Vacuum Catastrophe 07:59: ... energy of exactly 0 if we assume symmetry of positive and negative zero points between different fields, but a very small non-zero vacuum ...
	2017-10-11: Absolute Cold 06:14: All the quantum systems also have non-zero zero points, and that leads to even strange phenomena. 09:53: ... Gamble points out that if this binary pair is a whole light year apart, then for us to ...
	2017-09-13: Neutron Stars Collide in New LIGO Signal? 15:29: BrendanBlake42 points out that Karl Schwarzschild looks like Simon Pegg in a comedy mustache.
	2017-08-16: Extraterrestrial Superstorms 13:13: Vacuum Diagrams points out that two diagrams are missing from the challenge answer. 13:35: YouTube Account points out that the perfect name for dark flow isn't WTF flow, but rather what the flow.
	2017-07-26: The Secrets of Feynman Diagrams 00:19: ... properly calculate the probability of a particle traveling between two points, we need to add up the contributions from all conceivable paths between ... 14:07: ... points out what was perhaps the greatest tragedy in the entire sorry history of ... 00:19: ... to add up the contributions from all conceivable paths between those points, including the impossible ...
	2017-07-12: Solving the Impossible in Quantum Field Theory 03:58: ... the quantized fueled excitation of the photon, and the connecting points, the vertices, represent the absorption and emission of the ... 14:10: [INAUDIBLE] points out that the final probability for a particle journey is the square of the length of the complex probability amplitude vector. 14:37: ... also correctly points out that the individual paths don't have different probability amplitude ... 14:52: ... points out that the wildly divergent paths would require superluminal speeds to ...
	2017-07-07: Feynman's Infinite Quantum Paths 03:09: ... this-- to know the likelihood of a particle traveling between two points, A to B, we need to take into account all of the conceivable ways that ... 09:07: ... example, a photon traveling between two points could spontaneously become a virtual electron-positron pair before they ... 14:06: ... points out that if matter and antimatter particles are always created in pairs, ...
	2017-06-28: The First Quantum Field Theory 01:18: ... particles as vibrational modes in fundamental fields that exist at all points in space and time through the ... 13:33: ... Diagrams points out that Schrodinger himself did write down a relativistic version of ... 13:50: ... Mr. Diagrams points out, the resulting Klein Gordon equation gives negative energy solutions ...
	2017-05-31: The Fate of the First Stars 11:35: Better & Better points out that martian humans may evolve their own microbes that would be deadly to humans.
	2017-05-03: Are We Living in an Ancestor Simulation? ft. Neil deGrasse Tyson 10:22: Bostrom himself points out that, upon being found out by one of its resident minds, the simulation can be instantly edited or rewound.
	2017-04-05: Telescopes on the Moon 06:50: The caveat is that it only points straight up. 12:34: He points out correctly that it's only the radial component that becomes timelike. 06:50: The caveat is that it only points straight up.
	2017-03-29: How Time Becomes Space Inside a Black Hole 09:26: But remember that future light cone actually just points towards the singularity.
	2017-03-22: Superluminal Time Travel + Time Warp Challenge Answer 01:54: ... entire universe exists simultaneously in a state of now, and that all points move forward in time at a constant rate for all observers, governed by ...
	2017-03-01: The Treasures of Trappist-1 10:11: Aaron Craig points out that Galileo did not, in fact, invent the telescope.
	2017-02-02: The Geometry of Causality 05:28: To observe those points, I just wait around until their light had time to reach me. 06:40: In fact, we grid up the diagram with a set of lines parallel to these new axes and square up everything while maintaining our intersection points. 08:50: From the point of view of a particle communicating some causal influence, those points are equivalent.
	2017-01-19: The Phantom Singularity 02:26: Commonly these problematic points are where quantities become bigger and bigger approaching infinity as they do near a black hole. 05:17: The Schwarzschild metric allows us to compare two points or events in space time around a massive object from the perspective of different observers. 14:25: Aaron Schofield points out that even if the EM drive produces only a tiny thrust, it's still interesting.
	2017-01-11: The EM Drive: Fact or Fantasy? 12:54: But as Gareth Dean points out, lasers suck for broadcast, so sending a signal broadly.
	2017-01-04: How to See Black Holes + Kugelblitz Challenge Answer 06:13: You can think of the verticalish lines as representing points in space that are a constant distance from our center point.
	2016-12-08: What Happens at the Event Horizon? 15:02: Well, the simple answer is that the particles don't start at exactly the same points. 16:16: Vacuum Diagrams correctly points out that to know the future trajectory of a particle, you only need position, not velocity, as I had stated.
	2016-11-02: Quantum Vortices and Superconductivity + Drake Equation Challenge Answers 01:07: ... So, changes in the shape that don't break any connected neighboring points. ... 01:33: ... particles tend to line up, but you get these little twists at certain points: a vortex around which the spin ... 07:13: The Kepler Observatory points only in one direction, so those stars are spread along a column a few thousand light years long.
	2016-10-12: Black Holes from the Dawn of Time 12:50: Liquid methane is just not as good on any of these points.
	2016-09-14: Self-Replicating Robots and Galactic Domination 01:52: Today I want to argue that even if these points are true, there are reasons to expect a galaxy full of the evidence of past technological life.
	2016-08-24: Should We Build a Dyson Sphere? 00:53: ... our search for extraterrestrial intelligence, appearing only as strange points of infrared lights but otherwise black at visible ...
	2016-08-17: Quantum Eraser Lottery Challenge 02:44: ... device that can not only send information instantaneously between two points, but can also send information back in ...
	2016-08-10: How the Quantum Eraser Rewrites the Past 02:12: But it's still pretty interesting to see what happens if we try to observe the wave function at different points in the double slit experiment.
	2016-05-25: Is an Ice Age Coming? 09:40: So over 10,000 to 12,000 years, all of that points to cooling. 13:50: Eugene Khutoransky points out that the idea that energy is not conserved in an expanding universe is still pretty speculative.
	2016-05-18: Anti-gravity and the True Nature of Dark Energy 00:56: Paradoxically, our measurements points a near-perfect flatness.
	2016-05-04: Will Starshot's Insterstellar Journey Succeed? 11:03: ... points out that we must need some sort of luminosity reference point before we ...
	2016-04-27: What Does Dark Energy Really Do? 04:40: Now, that actually points to a more dense universe. 05:04: So measuring a rapidly-expanding universe in the past points to it having had its gravity brakes on between then and now. 09:52: Pravar Parekh points out that we can't really know that the universe is flat because we can only see a small part of it.
	2016-04-20: Why the Universe Needs Dark Energy 01:48: Today, let's look at one of these measurements-- the geometry of the universe, which points to a discrepancy in the first Friedmann equation.
	2016-04-13: Will the Universe Expand Forever? 10:06: ... Rigitano points out that there seems to be this main sequence of elements produced in ...
	2016-04-06: We Are Star Stuff 09:10: Recent research actually points to a new possibility that's even more spectacular.
	2016-03-23: How Cosmic Inflation Flattened the Universe 00:55: ... billion light years from one edge to the other, that those most distant points should never have had time to communicate with each ...
	2016-03-02: What’s Wrong With the Big Bang Theory? 06:23: ... needs to have been enough time for something to travel between those points to diffuse and even out that ...
	2016-02-24: Why the Big Bang Definitely Happened 09:41: ... Mulyk points out that it's kind of weird that Advanced LIGO was turned on just in ... 10:51: ... Proctor points out that the date cited for the discovery of this black hole merger is ...
	2016-01-06: The True Nature of Matter and Mass 09:06: Felix Feist points out that given that the right-handed electron doesn't have weak hypercharge, shouldn't it be massless?
	2015-12-16: The Higgs Mechanism Explained 05:06: While most quantum fields hover around zero in empty space, the Higgs field has a positive strength at all points in the universe.
	2015-11-18: 5 Ways to Stop a Killer Asteroid 08:41: And you guys had some extremely interesting points.
	2015-10-28: Is The Alcubierre Warp Drive Possible? 09:11: It's dimmed by a crazy 20% at some points.
	2015-09-30: What Happens At The Edge Of The Universe? 02:10: In cosmology, this sort of instantaneous distance is basically what we call the proper distance between two points. 02:21: The shortest path in spacetime is defined by the geodesic, the path of light between two points.
	2015-08-05: What Physics Teachers Get Wrong About Tides! 00:42: ... the oceans out like taffy, ergo why the oceans bulge out at opposite points along the Earth/Moon ... 01:00: ... really is a gravity differential from the Moon at points A and B. And at least in this simplified model, there would be two tidal ... 05:01: In fact, if we map out the tidal acceleration vectors that you'd see at different points on Earth's surface, they look like this. 13:05: ... lot of you were expressing confusion about how two points on Earth's surface can both be "really" accelerating if Earth's surface ... 13:22: ... and ask, relative to that clock, are the coordinate positions of two points on Earth's surface ... 13:31: So in that sense, those two points are not accelerating. 13:46: For points on Earth's surface, that's not true. 14:13: ... idea of using a single frame at Earth's center and saying that those two points are not accelerating is that that frame at Earth's center that you're ...
	2015-07-22: SPECIAL ANNOUNCEMENT + Flat Spacetime Geometry Comments 05:27: ... it might be the case that by stitching together all of those points of view, the accelerating car might be able to develop a self-consistent ...
	2015-07-15: Can You Trust Your Eyes in Spacetime? 02:21: Now recall from our earlier flat spacetime episode that points on this blackboard are not locations in a two-dimensional physical space. 04:10: It points slightly backward. 04:18: ... be world lines because to be present at two events represented by points on such a line an observer or a photon would have to be moving faster ... 04:58: These highlighted points in my diagram and in the red guy's diagram correspond to the same events. 05:02: So those are the same points. 05:19: ... spacetime diagrams preserve the spacetime interval between points with its weird minus sign, not the Pythagorean Euclidean notion of ...
	2015-07-02: Can a Circle Be a Straight Line? 02:26: Intuitively, we know that curve number one, joining points A and B in the diagram is straight, and curve number two is not. 03:10: ... it to B along curve two, it does not remain tangent to curve two at all points. ... 04:51: Now note that a geodesic is not always the shortest curve between two points. 04:56: ... piece of our great circle that points the opposite direction is also straight, even though it's not the ... 05:15: And in other curved spaces, multiple straight lines can join the same two points. 05:19: As a result, the notion of distance between two points is ambiguous in a curved space.
	2015-06-24: The Calendar, Australia & White Christmas 06:52: He also points out that if we put enough of them around the sun that we could cover viewing angles from most star systems.
	2015-06-17: How to Signal Aliens 07:13: Other questions that a lot of you asked were similarly noting these points of the parent tension.
	2015-06-03: Is Gravity An Illusion? 01:02: That's just some X-Y-Z axes to label points in space and a clock to track time. 03:36: So in the train car's frame, which is accelerating forward, it's as if there's an additional gravitational field that points backward. 03:51: ... field with the actual gravitational field of the Earth, which points down, it looks like there's a net gravitational field inside the car ... 04:43: ... gravitational field and it's as though the total gravity inside the car points down and back at around a 30-degree ... 11:21: Lutranereis points out that one problem with media reporting might be that the reporters lack adequate science background, and that's a good point. 03:36: So in the train car's frame, which is accelerating forward, it's as if there's an additional gravitational field that points backward.
	2015-05-27: Habitable Exoplanets Debunked! 09:56: ... Consider This points out that despite what I said in the episode, in the SI system of units, ...
	2015-05-20: The Real Meaning of E=mc² 09:56: jancultis, or "yawn"-cultis, points out the NASA is great but inefficient and has lots of room for improvement.
	2015-05-13: 9 NASA Technologies Shaping YOUR Future 03:40: ... support, but also have enough give that it wouldn't apply weird pressure points? ... 07:31: But Sengo brought up two points I want to mention specifically. 07:46: ... second, Sengo points out that the vision impairment research could be interpreted as ...
	2015-05-06: Should the First Mars Mission Be All Women? 08:38: ... Peden points out that around three minutes, 47 seconds, where we had the ball sort of ... 09:33: ... question Thomas Archuleta points out another scene from "Babylon 5" that I remember in which Michael ...
	2015-04-22: Are Space and Time An Illusion? 04:45: Its points correspond to events. 05:01: They correspond to spacetime intervals, which are geometric relations, a non-Euclidean version of the distances between points. 05:21: The board, its points and geometric facts, are simply there whether we put axis on that board or not. 05:31: ... then you are a geometric object in spacetime, a line segment joining the points representing the events of your birth and your ... 04:45: Its points correspond to events. 05:31: ... then you are a geometric object in spacetime, a line segment joining the points representing the events of your birth and your ...
	2015-04-01: Is the Moon in Majora’s Mask a Black Hole? 08:45: The CMB was emitted from all points of the universe simultaneously.
	2015-03-18: Can A Starfox Barrel Roll Work In Space? 02:09: ... speaking, that narrow points along the axis of rotation, in the same direction that the thumb of your ... 03:47: So its angular momentum vector points toward the nose of the ship, which here is the top of your screen.
	2015-03-11: What Will Destroy Planet Earth? 07:10: Zevin X points out that the real problem might be planetism. 07:18: Quite Likely points out that we don't actually know how bad Martian gravity will be for humans, and we don't.
	2015-03-04: Should We Colonize Venus Instead of Mars? 06:36: ... I hit enlarge once every second, then there will always be two points on the page that-- if they're far enough apart to begin with-- will end ...
	2015-02-18: Is It Irrational to Believe in Aliens? 07:11: The Gentleman Physicist points out that Super Mario World could be a platform accelerating through space with rockets at 70 meters per second squared.

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