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2022-11-09: What If Humanity Is Among The First Spacefaring Civilizations?

  • 05:18: ... organisms, the photosynthesis, sexual reproduction, developing giant brains, and various civilization and technology ...
  • 16:52: On behalf of both our present and our far-future uploaded or brain-in-vat teams, we thank you.
  • 05:18: ... organisms, the photosynthesis, sexual reproduction, developing giant brains, and various civilization and technology ...

2022-08-24: What Makes The Strong Force Strong?

  • 14:27: We have 3 colour receptors, and our brains use the SU(3) symmetry group to combine the input from those receptors into our subjective sense of colour.
  • 14:39: When we build a screen to display only red, blue and green pixels, we’re manipulating the way our brain interprets combinations of these colours.
  • 14:27: We have 3 colour receptors, and our brains use the SU(3) symmetry group to combine the input from those receptors into our subjective sense of colour.

2022-07-20: What If We Live in a Superdeterministic Universe?

  • 14:22: But think about it this way - your mind has a physical substrate: your brain.

2022-06-15: Can Wormholes Solve The Black Hole Information Paradox?

  • 09:36: ... so weird,   the image wouldn’t fit in our primate  brains. They’re actually complex geometries,   distances between some ...

2022-05-25: The Evolution of the Modern Milky Way Galaxy

  • 18:41: ... microcephaly in later years. In other words,   everyone’s brain shrinks like those galaxies.  I think I can feel it happening right ...

2022-02-16: Is The Wave Function The Building Block of Reality?

  • 06:53: ... particles into the picture - in the measurement device and in your own brain. With enough particles collapse becomes ...

2022-02-10: The Nature of Space and Time AMA

  • 00:03: ... it loses information so if we think of that part of the universe as a brain then the information thought of as memory okay so we can see how our ...

2022-01-12: How To Simulate The Universe With DFT

  • 19:50: Another potential energy need is matrioskha brain.
  • 20:07: ... Angelbar points out the other thing we might do with a matryoshka brain powered by a a Dyson Sphere. Which somehow seems, horrifyingly more ...
  • 20:19: ... the world to build Dyson Spheres to power a hash cashing matryoshka brain. Our awesome space-faring, megastructure-building future suddenly ...
  • 20:07: ... Angelbar points out the other thing we might do with a matryoshka brain powered by a a Dyson Sphere. Which somehow seems, horrifyingly more ...

2021-12-20: What Happens If A Black Hole Hits Earth?

  • 17:30: ... bonkers to you, then you’re in good company. Thinking about it turns by brain into a fuzzball, by that I mean empty on the ...

2021-12-10: 2021 End of Year AMA!

  • 00:02: ... ideas this is why we really did this we just wanted to to tap your brains um it's been fun guys we'll do this again before too long we won't ...

2021-08-10: How to Communicate Across the Quantum Multiverse

  • 00:53: ... room would reveal a hopeless scramble. And yet somehow your ear and your brain’s audio processing network can pick out and focus on each individual ...
  • 01:46: ... were only sensitive to one source of sound - say, my voice - and your brain filtered out all the others. The presence of those other sound waves has ...
  • 00:53: ... room would reveal a hopeless scramble. And yet somehow your ear and your brain’s audio processing network can pick out and focus on each individual ...

2021-07-13: Where Are The Worlds In Many Worlds?

  • 00:20: ... decay, in another it doesn’t; in one “world” a quantum event in your brain produces a neural cascade that leads you to choosing pizza, in another ...
  • 07:00: ... travel down the same wires, through the same circuitry, into the same brain. ...
  • 07:23: ... that these wavefunction branches experience on their way to your brain render them forever inaccessible to each ...
  • 09:11: ... means the wavefunction of your brain also has branches - different internal states that correspond to each of ...
  • 09:21: But those parts of your brain wavefunction are out of phase with each other.
  • 10:05: After your visual cortex gets an image of the computer screen, a small slice of your brain's wavefunction splits in response to the possible results.
  • 00:20: ... decay, in another it doesn’t; in one “world” a quantum event in your brain produces a neural cascade that leads you to choosing pizza, in another it's ...
  • 07:23: ... that these wavefunction branches experience on their way to your brain render them forever inaccessible to each ...
  • 09:21: But those parts of your brain wavefunction are out of phase with each other.
  • 10:05: After your visual cortex gets an image of the computer screen, a small slice of your brain's wavefunction splits in response to the possible results.

2021-06-16: Can Space Be Infinitely Divided?

  • 02:38: ... so important, we’ll have to do some experiments in our brains. Follow me through a couple of thought   experiments - or ...

2020-12-22: Navigating with Quantum Entanglement

  • 11:19: ... are some highly contentious ideas - like quantum entanglement in the brain’s microtubule proteins as a key ingredient in human ...

2020-12-15: The Supernova At The End of Time

  • 12:54: ... thought of as resulting from the increase in correlations between your brain - or any patch of space - and both the surrounding universe and the ...

2020-12-08: Why Do You Remember The Past But Not The Future?

  • 00:12: ... the brain is a thing and its ruled by the laws of physics - why does the brain and ...
  • 01:03: To understand this, let’s think about where our sense of the passage of time arises in our brains.
  • 01:43: ... Brains also have internal clocks that give a sense of time elapsed, but to ...
  • 01:59: ... good physicist, we’re going to ignore all of the subtlety and assume the brain is a perfect ...
  • 02:13: We’re going to model the brain as a rock.
  • 02:16: Actually I’m an astrophysicist, so we’ll think of the brain as a very small asteroid.
  • 02:24: ... say that a thing - be it a brain or a rock - a thing has memory if the past has left a mark on it that ...
  • 09:25: So the key to understanding how our brains inherit the arrow of time lies in understanding the connection between entropy and correlation.
  • 10:17: ... universe-wide, but the smallest chunks of the universe - asteroids, brains for example - also tend to build correlations with their environments in ...
  • 10:40: Now, obviously our brains aren’t rocks - despite the similarity in some cases.
  • 10:53: ... reason our brains can form memories in one direction and not the other is because the ...
  • 01:03: To understand this, let’s think about where our sense of the passage of time arises in our brains.
  • 01:43: ... Brains also have internal clocks that give a sense of time elapsed, but to ...
  • 09:25: So the key to understanding how our brains inherit the arrow of time lies in understanding the connection between entropy and correlation.
  • 10:17: ... universe-wide, but the smallest chunks of the universe - asteroids, brains for example - also tend to build correlations with their environments in ...
  • 10:40: Now, obviously our brains aren’t rocks - despite the similarity in some cases.
  • 10:53: ... reason our brains can form memories in one direction and not the other is because the ...
  • 09:25: So the key to understanding how our brains inherit the arrow of time lies in understanding the connection between entropy and correlation.
  • 10:53: ... with this incredibly rich resource of correlation-lite states, which our brains inherit, and then use up in the generation of ...

2020-11-18: The Arrow of Time and How to Reverse It

  • 01:21: ... scale defines the experience of time that we experience in our own brains. ...
  • 11:16: ... need to arise in the decision-making patch of the universe - AKA our brain - in order for us to consider that region the origin of a choice AKA ...
  • 01:21: ... scale defines the experience of time that we experience in our own brains. ...
  • 11:16: ... are then used by, like, physics and stuff for the rest of time. And our brains use those random numbers as part of their choice-making mechanics. They ...

2020-11-11: Can Free Will be Saved in a Deterministic Universe?

  • 01:14: ... you accept that the mind is generated by the brain, which is made of matter, and you've already accepted that matter follows ...
  • 03:34: ... threads may spend time as different types of matter and sometimes as brains, both as the crude matter that forms the brain and the ephemeral ...
  • 03:53: ... information goes in as the stuff of the brain and the experience of our senses, and information comes out, sometimes ...
  • 04:02: The brain is like a machine for processing information into choices.
  • 04:23: ... could require that information emerging from the brain in the form of a decision, either one, incorporates an entirely new ...
  • 05:06: I'm going to argue that it's reasonable to endow the brain with free will with some combination of the first three.
  • 05:30: You are free-willed if you or fundamentally unpredictable information can emerge from your brain's patch of space time.
  • 06:46: ... the cause arises within our packet, within our brain, then either it itself is random or has its own causing thread whose ...
  • 07:19: On the surface, the idea of randomly generating new streams of quantum information within a brain doesn't seem to help the cause of free will.
  • 07:43: ... not just impossible in practice to perfectly measure all the states of a brain, of neurons, their activity, the molecules involved and their signaling, ...
  • 08:01: Forget the brain, that's true even for a box full or air molecules.
  • 08:16: ... there is no possibility to perfectly know the state of the brain or of the information threads that go into making it, either in ...
  • 08:40: What if some future type of brain scan allows 98% predictability of your choices?
  • 09:00: Which means, you could ask if it's even prediction or really just finding a correlation between a brain state and an outcome a few seconds later.
  • 09:15: The short answer is we don't know how well we'll ever be able to forward model a brain's behavior, even with the best future technology.
  • 09:24: By the way, there's also evidence to indicate that brain activity utilizes the random fluctuations of neuronal activity to make certain decisions.
  • 09:33: In other words, a certain type of randomness may be a feature of the brain, an item in its mechanistic toolbox.
  • 10:24: ... our brains play a part choosing what future happens or the choices we experience ...
  • 11:03: ... information, perhaps in the form of choices, can emerge from a brain. ...
  • 11:28: The brain can talk itself into new states.
  • 12:06: ... it's not even in principle possible to perfectly predict a brain's choices, and that brain feels like it's making choices, is it reasonable ...
  • 12:31: You don't choose the mechanical behavior of your brain's atoms or the electrical potential that triggers each firing neuron.
  • 09:24: By the way, there's also evidence to indicate that brain activity utilizes the random fluctuations of neuronal activity to make certain decisions.
  • 06:46: ... and uncaused, random, or has an origin outside our brain, meaning our brain didn't ...
  • 07:19: On the surface, the idea of randomly generating new streams of quantum information within a brain doesn't seem to help the cause of free will.
  • 12:06: ... in principle possible to perfectly predict a brain's choices, and that brain feels like it's making choices, is it reasonable to deny meaningfulness to the ...
  • 06:46: ... either in our brain and uncaused, random, or has an origin outside our brain, meaning our brain didn't ...
  • 08:40: What if some future type of brain scan allows 98% predictability of your choices?
  • 04:23: ... be predictable even in principle by any arbitrarily precise far future brain scanning ...
  • 09:00: Which means, you could ask if it's even prediction or really just finding a correlation between a brain state and an outcome a few seconds later.
  • 09:40: ... if quantum randomness or quantum indeterminacy is magnified to brain-level ...
  • 03:34: ... threads may spend time as different types of matter and sometimes as brains, both as the crude matter that forms the brain and the ephemeral ...
  • 05:30: You are free-willed if you or fundamentally unpredictable information can emerge from your brain's patch of space time.
  • 09:15: The short answer is we don't know how well we'll ever be able to forward model a brain's behavior, even with the best future technology.
  • 10:24: ... our brains play a part choosing what future happens or the choices we experience ...
  • 12:06: ... it's not even in principle possible to perfectly predict a brain's choices, and that brain feels like it's making choices, is it reasonable ...
  • 12:31: You don't choose the mechanical behavior of your brain's atoms or the electrical potential that triggers each firing neuron.
  • 12:06: ... to deny meaningfulness to the concept of free will just because the brain's atoms don't have free ...
  • 12:31: You don't choose the mechanical behavior of your brain's atoms or the electrical potential that triggers each firing neuron.
  • 12:06: ... to deny meaningfulness to the concept of free will just because the brain's atoms don't have free ...
  • 09:15: The short answer is we don't know how well we'll ever be able to forward model a brain's behavior, even with the best future technology.
  • 12:06: ... it's not even in principle possible to perfectly predict a brain's choices, and that brain feels like it's making choices, is it reasonable to deny ...
  • 05:30: You are free-willed if you or fundamentally unpredictable information can emerge from your brain's patch of space time.
  • 10:24: ... our brains play a part choosing what future happens or the choices we experience are the ...

2020-10-27: How The Penrose Singularity Theorem Predicts The End of Space Time

  • 13:38: ... us a way out. This could be “That moment   when a boltzmann brain is the simplest  explanation.” You’re just random ...

2020-10-20: Is The Future Predetermined By Quantum Mechanics?

  • 02:14: And the only aspect of the present that exists is a vanishingly small patch of spacetime around your own brain.
  • 14:34: But that experience almost certainly is emergent from the action of our neurons and those neurons take time to fire and communicate across the brain.
  • 14:51: You might argue that our conscious experience rides the leading edge of the brain's action.
  • 14:55: Emerging in a true instant, synthesizing prior brain activity.
  • 14:59: ... time instant then it would need to be the instantaneous state of the brain, the momentary spatial configuration of its particles at that instant ...
  • 15:10: So then does a frozen brain just experience the current instant eternally?
  • 14:55: Emerging in a true instant, synthesizing prior brain activity.
  • 14:51: You might argue that our conscious experience rides the leading edge of the brain's action.

2020-10-13: Do the Past and Future Exist?

  • 03:36: ... emerges in the forward evolution of patterns of information in our brains. ...

2020-09-08: The Truth About Beauty in Physics

  • 12:25: ... results from the hidden workings of our brains - many factors contribute subconsciously to this qualitative sense of ...

2020-08-10: Theory of Everything Controversies: Livestream

  • 00:00: ... they had reasons why higher dimensional objects didn't exist to brain theory it went from a finite number of theories to a continuum with ...

2020-07-28: What is a Theory of Everything: Livestream

  • 00:00: ... that it just like it's wonderful it makes sure it makes your kind of brain explode how good it is at modeling and predicting things that go on at ...

2020-04-28: Space Time Livestream: Ask Matt Anything

  • 00:00: ... okay some other there's some some Oliver Sacks here so you know more brain stuff this one I love and I assume that this is on everyone's ...

2020-03-03: Does Quantum Immortality Save Schrödinger's Cat?

  • 12:03: ... different matter configurations between experimental aparatus and the brain of different observers means decoherence should proceed differently ...

2020-02-24: How Decoherence Splits The Quantum Multiverse

  • 09:43: ... signal passing along wires to a computer and eventually into our brain. ...
  • 10:01: ... superpositions of signals traveling from those pixels ultimately to the brain of the ...
  • 11:35: Ultimately, that expanding wavefunction includes the circuitry of the computer, and then the circuitry of your brain.
  • 11:41: ... configuration of matter and information - in the computer and in your brain. ...
  • 11:57: ... that particular brain configuration will result in the conscious awareness consistent with ...

2020-02-18: Does Consciousness Influence Quantum Mechanics?

  • 04:17: ... to our visual cortex, and more electrical signals in other parts of the brain result in a subjective sense of the original electron's chosen ...
  • 07:04: From your perspective, your friend’s entire brain exists in a quantum superposition of all possible results of the experiment.
  • 07:20: So you ask your friend - what was it like for your whole brain to be in a superposition of states?
  • 07:45: ... Wigner felt that this conflict meant that it was impossible for entire brains - or more importantly - conscious experiences generated by those brains ...
  • 07:04: From your perspective, your friend’s entire brain exists in a quantum superposition of all possible results of the experiment.
  • 04:17: ... to our visual cortex, and more electrical signals in other parts of the brain result in a subjective sense of the original electron's chosen destination on ...
  • 07:45: ... Wigner felt that this conflict meant that it was impossible for entire brains - or more importantly - conscious experiences generated by those brains ...
  • 07:12: Only after your friend tells you the result of the experiment does their brain-wavefunction collapse to a single experimental outcome.

2019-12-09: The Doomsday Argument

  • 10:37: This is the definition invoked in the simulation hypothesis and the Boltzmann brain scenarios.
  • 11:05: ... you could be a momentary entropy fluctuation that caused a brain with exactly your current mental experience and memories to pop into the ...
  • 11:20: ... argument, and it can lead to some pretty absurd ideas like the Boltzmann brain. ...
  • 10:37: This is the definition invoked in the simulation hypothesis and the Boltzmann brain scenarios.

2019-12-02: Is The Universe Finite?

  • 16:02: ... News likes to play space time loudly so mom thinks they're getting more brainy but in the background is playing games on ...
  • 16:15: Well, jokes on you Singapore Breaking News - that is a brainy trick, so you got smarter despite yourself.
  • 16:02: ... News likes to play space time loudly so mom thinks they're getting more brainy but in the background is playing games on ...
  • 16:15: Well, jokes on you Singapore Breaking News - that is a brainy trick, so you got smarter despite yourself.

2019-11-18: Can You Observe a Typical Universe?

  • 11:25: ... evident in the various bizarre predictions it can make - from Boltzmann brains, which we covered, to the doomsday argument - the idea that the ...

2019-10-15: Loop Quantum Gravity Explained

  • 13:58: David, we already spent all of your money ... on aspirin, after loop quantum gravity broke our brains.

2019-07-18: Did Time Start at the Big Bang?

  • 09:52: ... floats in a higher dimensional space living on geometric objects called brains collisions between those brains initiate cycles of expansion of ...

2019-04-10: The Holographic Universe Explained

  • 00:10: Or so our primitive Pleistocene-evolved brains find it useful to believe.

2018-11-14: Supersymmetric Particle Found?

  • 12:24: You'll get practical knowledge about how to spend, save, and earn, and insight into how your brain is hardwired to react to economic problems.
  • 15:11: ... so a 4d space in which we live on an embedded 3D manifold called a brain. ...

2018-07-25: Reversing Entropy with Maxwell's Demon

  • 13:04: Check it our Boltzmann brain episode for more on that.

2018-06-20: The Black Hole Information Paradox

  • 12:21: You will be solving increasingly complex problems along the way to really training your brain to think like a physicist.

2018-04-18: Using Stars to See Gravitational Waves

  • 01:24: Researchers are spending lots of brainpower trying to come up with new and creative solutions to explain this anomaly.

2018-01-17: Horizon Radiation

  • 13:44: ... whether stars may actually be speaking, considering Penrose's quantum brain hypothesis, which states that any sufficiently complex system creates ...

2017-11-29: Citizen Science + Zero-Point Challenge Answer

  • 00:08: So why don't you use that brilliant brain of yours for the betterment of science?
  • 03:33: ... are some things that lots of regular human eyes and brains can do much better than a small number of scientists operating even the ...
  • 04:38: You can also contribute to science without using any of your her and brain power.
  • 03:33: ... are some things that lots of regular human eyes and brains can do much better than a small number of scientists operating even the ...

2017-05-10: The Great American Eclipse

  • 10:33: My take on this is that brain psychology and memory are messy things.
  • 09:35: This week my friend, Vanessa Hill, is releasing a documentary through her show "Braincraft." You'll explore the science and ethics of editing our DNA.

2017-05-03: Are We Living in an Ancestor Simulation? ft. Neil deGrasse Tyson

  • 04:22: ... will be possible to simulate the action of all the neurons of the human brain and to simulate the sensory input to that brain with enough fidelity to ...
  • 05:14: The human brain has 100 billion neurons and well over 100 trillion synapses.
  • 05:19: ... been estimated that the entire operation of a single brain could be simulated with somewhere between 100 trillion to 100 ...
  • 05:32: ... an external environment with the fidelity needed to fool the virtual brain that its environment is ...
  • 05:43: That's debatable, because the environment needs to be perfectly consistent with respect to all measurements made by all brains in that environment.
  • 06:40: ... that a computer the size of a large planet, a so-called Jupiter brain, would be capable of performing 10 to the power of 42 operations per ...
  • 07:51: This sort of existential angst about disembodied brains being more common than real ones didn't start with Bostrom.
  • 07:57: The thought experiment is similar to that of the Boltzmann brain.
  • 08:01: ... should be vastly more common for particles to randomly assemble into a brain that is having exactly your current experience of the world than for ...
  • 08:19: But both ancestor simulations and Boltzmann brains require us to invoke something like the Copernican principle.
  • 09:39: The ancestor simulation idea suffers from some of the same issues as the Boltzmann brain idea.
  • 09:45: We already talked about Sean Carroll's argument against concluding that we are Boltzmann brains.
  • 09:59: A Boltzmann brain is as delusional about the consistency of its mental faculties as it is about its existence before that instant.
  • 10:59: Bostrum himself even weighs in on this with regards Boltzmann brains.
  • 11:12: ... that we must surely live in a universe capable of producing the most brains, because that universe would give the maximum probability of our own ...
  • 11:48: Highly specific scenarios like ancestor simulations or Boltzmann brains generate impossibly large numbers of minds that are identical to our own.
  • 13:06: So today we're going to talk about both the oh my god particle and Boltzmann brains.
  • 13:52: ... made the argument that the Boltzmann brain thought experiment fails because it assumes random particle motion, and ...
  • 14:20: ... emergent force, then even the pseudo random assembly of a Boltzmann brain is vastly more probable than the pseudo random assembly of a big ...
  • 05:19: ... to 100 quadrillion binary operations for every second of time that the brain experiences. ...
  • 09:39: The ancestor simulation idea suffers from some of the same issues as the Boltzmann brain idea.
  • 13:52: ... made the argument that the Boltzmann brain thought experiment fails because it assumes random particle motion, and that ...
  • 05:43: That's debatable, because the environment needs to be perfectly consistent with respect to all measurements made by all brains in that environment.
  • 07:51: This sort of existential angst about disembodied brains being more common than real ones didn't start with Bostrom.
  • 08:19: But both ancestor simulations and Boltzmann brains require us to invoke something like the Copernican principle.
  • 09:45: We already talked about Sean Carroll's argument against concluding that we are Boltzmann brains.
  • 10:59: Bostrum himself even weighs in on this with regards Boltzmann brains.
  • 11:12: ... that we must surely live in a universe capable of producing the most brains, because that universe would give the maximum probability of our own ...
  • 11:48: Highly specific scenarios like ancestor simulations or Boltzmann brains generate impossibly large numbers of minds that are identical to our own.
  • 13:06: So today we're going to talk about both the oh my god particle and Boltzmann brains.
  • 11:48: Highly specific scenarios like ancestor simulations or Boltzmann brains generate impossibly large numbers of minds that are identical to our own.
  • 08:19: But both ancestor simulations and Boltzmann brains require us to invoke something like the Copernican principle.

2017-04-26: Are You a Boltzmann Brain?

  • 00:03: MATTHEW O'DOWD: This episode is supported by "The Great Courses Plus." Statistically speaking, you are a disembodied brain.
  • 00:26: You, my friend, are a Boltzmann brain-- statistically speaking.
  • 07:28: ... not just have particles converge directly into a single human brain, in exactly the right arrangement to have an illusion of memory and ...
  • 07:42: That would be a Boltzmann brain.
  • 07:45: ... majority of conscious experiences that ever occur should be Boltzmann brains, rather than ones that arise from, say, ...
  • 08:10: ... experiment I do may be the randomly assembled delusion of a Boltzmann brain that happened to come into existence with the memory of trying to prove ...
  • 08:29: Sean Carroll has another nice argument against Boltzmann brains.
  • 08:33: ... the idea is "cognitively unstable." By accepting that we're a Boltzmann brain, we're admitting to a state of fantastic delusion and, in doing so, ...
  • 08:52: If we're Boltzmann brains, then we're the most common type of Boltzmann brain that has an experience that is indistinguishable from this.
  • 09:02: ... surely it's vastly simpler to accidentally manifest a brain with an instantaneous delusion about its ability to understand the world ...
  • 09:17: Conclude that you're a Boltzmann brain, and you must deny your capacity to reach that conclusion.
  • 09:25: ... I think the real interest in the idea of Boltzmann brains is as a lesson in caution-- caution in arguing probabilities before ...
  • 10:50: Speaking of brains, by the way, one of my favorite courses is Indre Viskontas's "Brain Myths Exploded" series.
  • 10:58: ... disturbing ideas in neuroscience, including questioning whether our brains can ever truly be ...
  • 10:50: Speaking of brains, by the way, one of my favorite courses is Indre Viskontas's "Brain Myths Exploded" series.
  • 00:26: You, my friend, are a Boltzmann brain-- statistically speaking.
  • 07:45: ... majority of conscious experiences that ever occur should be Boltzmann brains, rather than ones that arise from, say, ...
  • 08:29: Sean Carroll has another nice argument against Boltzmann brains.
  • 08:52: If we're Boltzmann brains, then we're the most common type of Boltzmann brain that has an experience that is indistinguishable from this.
  • 09:25: ... I think the real interest in the idea of Boltzmann brains is as a lesson in caution-- caution in arguing probabilities before ...
  • 10:50: Speaking of brains, by the way, one of my favorite courses is Indre Viskontas's "Brain Myths Exploded" series.
  • 10:58: ... disturbing ideas in neuroscience, including questioning whether our brains can ever truly be ...

2016-11-02: Quantum Vortices and Superconductivity + Drake Equation Challenge Answers

  • 06:06: ... the conditions to be right for one species to have a runaway growth in brain capacity, and then you need it to survive long enough to become ...

2016-07-06: Juno to Reveal Jupiter's Violent Past

  • 10:46: ... the sun usually appears white to our eyes and so to our brains, and since the entire concept of color only exists in our brains, it's ...

2016-06-15: The Strange Universe of Gravitational Lensing

  • 00:13: [THEME MUSIC] Our brains evolved in a Euclidean world, or pretty close to it.
  • 03:52: When brains don't suffice, we instead build model universes in our computers.
  • 00:13: [THEME MUSIC] Our brains evolved in a Euclidean world, or pretty close to it.
  • 03:52: When brains don't suffice, we instead build model universes in our computers.
  • 00:13: [THEME MUSIC] Our brains evolved in a Euclidean world, or pretty close to it.

2016-02-03: Will Mars or Venus Kill You First?

  • 03:21: ... to a vacuum, your blood will be leached of oxygen, starving your brain, and at some point blocking blood flow all ...

2016-01-13: When Time Breaks Down

  • 00:47: Our often flawed perception of time comes from watching patterns in our brains evolve.
  • 07:30: Atoms feel time in their internal evolution similar to our own perception of the changing patterns in our brains.
  • 00:47: Our often flawed perception of time comes from watching patterns in our brains evolve.
  • 07:30: Atoms feel time in their internal evolution similar to our own perception of the changing patterns in our brains.
  • 00:47: Our often flawed perception of time comes from watching patterns in our brains evolve.

2015-11-05: Why Haven't We Found Alien Life?

  • 09:07: However, it's worth noting that we do have other species on Earth that seem to be moving down the same big brain path independently of humans.

2015-07-29: General Relativity & Curved Spacetime Explained!

  • 04:01: On the contrary, they're designed to break your excessive reliance on your eyes so that your brain becomes more free to accept what reality isn't.

2015-07-15: Can You Trust Your Eyes in Spacetime?

  • 05:19: ... notion of distance that seems to be hard wired into our eyes and brain. ...

2015-07-02: Can a Circle Be a Straight Line?

  • 08:02: This is for your benefit to prime your brain.

2015-06-17: How to Signal Aliens

  • 06:28: It was a brain hiccup.

2015-06-03: Is Gravity An Illusion?

  • 11:58: Some topics come from me, some are brainstormed with Andrew, Kyle, and the other producer, Eric Brown.

2015-05-13: 9 NASA Technologies Shaping YOUR Future

  • 01:15: ... the right vibrations could sync up the electrical signals going to the brain from the auditory system and from the vestibular system in the inner ...
  • 02:12: ... in human breast milk, called DHA, which turns out to be important for brain development in ...
  • 06:15: No brainer, put the system on farms.

2015-04-22: Are Space and Time An Illusion?

  • 00:35: At first, your brain might resist and hold onto those intuitions for dear life.
  • 06:25: All of that is just an imposition our brains make in order to perceive whatever "it" is.

2015-02-11: What Planet Is Super Mario World?

  • 04:04: Now, a human heart couldn't pump that up to the brain, so an actual Italian plumber would be unconscious or dead.
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