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2022-12-14: How Can Matter Be BOTH Liquid AND Gas?

  • 00:03: ... the plasma that the sun is made of, or at extreme densities we get the nuclear matter of neutron ...
  • 14:26: ... condensates and the resulting superconductors and superfluids; nuclear matter of various types; photonic matter; various spin-based states from ...
  • 00:03: ... the plasma that the sun is made of, or at extreme densities we get the nuclear matter of neutron ...
  • 14:26: ... condensates and the resulting superconductors and superfluids; nuclear matter of various types; photonic matter; various spin-based states from ...

2022-11-23: How To See Black Holes By Catching Neutrinos

  • 01:55: But perhaps the most characteristic property of the neutrino is that they only interact via the weak nuclear force and gravity.
  • 17:31: ... at nuclear masses much higher than the current periodic it may be possible for ...
  • 01:55: But perhaps the most characteristic property of the neutrino is that they only interact via the weak nuclear force and gravity.
  • 17:31: ... at nuclear masses much higher than the current periodic it may be possible for quarks to ...

2022-11-16: Are there Undiscovered Elements Beyond The Periodic Table?

  • 06:07: You might think that after a century and a half of thinking about nuclear physics, we’d have all of this figured out.
  • 06:52: On the other hand we have the even-stronger strong nuclear force holding the nucleons together.
  • 07:21: If a nucleus gets too big, the strong force can’t keep things together and various types of nuclear decay become inevitable.
  • 07:50: That’s why neutrons are so useful - they help separate protons so that the strong nuclear force stays stronger than electromagnetism.
  • 08:59: ... similar happens in this case, there are magic numbers which complete nuclear shells, they are 2, 8, 20, 28, 50, 82, 126 for neutrons, and 2, 8, 20, ...
  • 09:54: Pairs of up-down nucleons form these stable-little spin-zero partnerships in so-called nuclear pairing interactions.
  • 10:56: It turns out there are no simple set of principles to determine nuclear stability.
  • 13:56: ... we want to get there our conventional nuclear reactors and particle accelerators will not be enough, we will have to ...
  • 14:54: ... example - no stable isotopes, but we can breed it from uranium in nuclear reactors, where it becomes a critical part of the fission process in ...
  • 07:21: If a nucleus gets too big, the strong force can’t keep things together and various types of nuclear decay become inevitable.
  • 06:52: On the other hand we have the even-stronger strong nuclear force holding the nucleons together.
  • 07:50: That’s why neutrons are so useful - they help separate protons so that the strong nuclear force stays stronger than electromagnetism.
  • 06:52: On the other hand we have the even-stronger strong nuclear force holding the nucleons together.
  • 07:50: That’s why neutrons are so useful - they help separate protons so that the strong nuclear force stays stronger than electromagnetism.
  • 09:54: Pairs of up-down nucleons form these stable-little spin-zero partnerships in so-called nuclear pairing interactions.
  • 06:07: You might think that after a century and a half of thinking about nuclear physics, we’d have all of this figured out.
  • 13:56: ... we want to get there our conventional nuclear reactors and particle accelerators will not be enough, we will have to come up ...
  • 14:54: ... example - no stable isotopes, but we can breed it from uranium in nuclear reactors, where it becomes a critical part of the fission process in certain ...
  • 08:59: ... similar happens in this case, there are magic numbers which complete nuclear shells, they are 2, 8, 20, 28, 50, 82, 126 for neutrons, and 2, 8, 20, 28, 50, ...
  • 10:56: It turns out there are no simple set of principles to determine nuclear stability.
  • 10:49: It seems there are more mysterious forces at work besides neutron-padding, nuclear-shell filling, and spin coupling.

2022-09-14: Could the Higgs Boson Lead Us to Dark Matter?

  • 01:06: They tug and push at each other via the electromagnetic and strong nuclear forces.
  • 06:01: ... and whatever is made of quarks; it excludes the W boson of the weak nuclear ...
  • 06:14: It excludes the color-charged gluons of the strong nuclear force.
  • 06:01: ... and whatever is made of quarks; it excludes the W boson of the weak nuclear force. ...
  • 06:14: It excludes the color-charged gluons of the strong nuclear force.
  • 01:06: They tug and push at each other via the electromagnetic and strong nuclear forces.

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

  • 00:10: And today we’re going nuclear, as we dive into the weird world of quantum chromodynamics.
  • 01:11: Namely, the strong nuclear force.

2022-08-03: What Happens Inside a Proton?

  • 06:02: ... coupling strength for the strong nuclear force is ingeniously named the strong coupling ...

2022-07-27: How Many States Of Matter Are There?

  • 00:05: We have solids, liquids and gasses, and plasmas, quark-gluon plasmas, nuclear matter, bose-einstein condensates, neutronium, time crystals, and sand.
  • 09:07: For example, liquid water contains many little nuggets of frozen “solid” nuclear material.
  • 00:05: We have solids, liquids and gasses, and plasmas, quark-gluon plasmas, nuclear matter, bose-einstein condensates, neutronium, time crystals, and sand.

2022-06-22: Is Interstellar Travel Impossible?

  • 11:24: ... would be subjected to levels of radiation comparable to the core of a nuclear ...
  • 17:43: ... that means reaching the conditions where electromagnetism and the weak nuclear force combine, but almost certainly also the strong force and perhaps ...
  • 11:24: ... would be subjected to levels of radiation comparable to the core of a nuclear reactor. ...

2022-05-18: What If the Galactic Habitable Zone LIMITS Intelligent Life?

  • 14:14: ... mythology episode, which features a  visit from Matt to explain nuclear ...
  • 03:40: ... protostar became hotter   and hotter and eventually ignited in nuclear  fusion. The outward flow of fusion-generated   energy supports ...

2022-03-16: What If Charge is NOT Fundamental?

  • 08:32: The quark model for nucleons led to a description  of the strong nuclear force via this SU(3) stuff to give us quantum chromodynamics.

2022-02-23: Are Cosmic Strings Cracks in the Universe?

  • 00:58: ... This gives us our familiar   electromagnetic, strong and weak nuclear forces. But at very high temperatures,   the complexities of ...

2021-10-13: New Results in Quantum Tunneling vs. The Speed of Light

  • 02:03: For example, the protons and neutrons in an atomic nucleus are held in the potential barrier of the strong nuclear force.
  • 03:44: ... “collapse” into one of those two states - either business as usual, or a nuclear ...
  • 04:03: ... necessary for the nuclear fusion reactions that power the sun, in some biological processes, and ...
  • 03:44: ... “collapse” into one of those two states - either business as usual, or a nuclear decay. ...
  • 02:03: For example, the protons and neutrons in an atomic nucleus are held in the potential barrier of the strong nuclear force.
  • 04:03: ... necessary for the nuclear fusion reactions that power the sun, in some biological processes, and it’s ...

2021-10-05: Why Magnetic Monopoles SHOULD Exist

  • 08:53: In the early 70s physicists had managed to explain the weak nuclear force and unify it with electromagnetism.
  • 09:08: With that squared away, physicists were working to bring the strong nuclear force into the fold with the so-called Grand Unified Theories.
  • 08:53: In the early 70s physicists had managed to explain the weak nuclear force and unify it with electromagnetism.
  • 09:08: With that squared away, physicists were working to bring the strong nuclear force into the fold with the so-called Grand Unified Theories.

2021-09-15: Neutron Stars: The Most Extreme Objects in the Universe

  • 05:48: ... soon those energies are high enough to drive some very exotic nuclear reactions. Electrons start to   be driven into the iron nuclei ...
  • 08:15: ... weird.   Welcome to the pasta. Specifically,   nuclear pasta. This is perhaps the least known and most freaky state of ...
  • 09:34: ... containing many millions of protons and neutrons.   Nuclear physicists affectionately call this phase  of matter spaghetti. At ...
  • 10:06: ... enormous strength of nuclear pasta allows it to resist the insane gravitational ...
  • 08:15: ... range attraction to each other due to   the strong nuclear force, the electric repulsion between the remaining protons tries to push ...
  • 09:34: ... spaghetti may be squeezed together to form sheets. That’s right - nuclear lasagna.  And because it’s so dense, it’s really  hard to bend and move this ...
  • 08:15: ... weird.   Welcome to the pasta. Specifically,   nuclear pasta. This is perhaps the least known and most freaky state of matter in ...
  • 10:06: ... enormous strength of nuclear pasta allows it to resist the insane gravitational forces   and ...
  • 09:34: ... it’s so dense, it’s really  hard to bend and move this stuff. Nuclear pasta   might even be the strongest material in the  universe, a ...
  • 05:48: ... soon those energies are high enough to drive some very exotic nuclear reactions. Electrons start to   be driven into the iron nuclei in a ...
  • 09:34: ... of matter spaghetti. At slightly higher densities,   this nuclear spaghetti may be squeezed together to form sheets. That’s right - nuclear ...

2021-08-18: How Vacuum Decay Would Destroy The Universe

  • 08:30: ... particles.   The ability for stars to form and undergo  nuclear fusion, and the ability for chemistry   to work as it does, ...

2021-08-03: How An Extreme New Star Could Change All Cosmology

  • 01:45: ... their lives, they blast off their outer layers in their final fits of nuclear fusion. This exposes their naked cores, which by now are insanely hot ...

2021-07-21: How Magnetism Shapes The Universe

  • 01:29: The nuclear forces are short range, and the electrostatic force never adds up to much because its positive and negative charges tend to cancel it out.

2021-04-13: What If Dark Matter Is Just Black Holes?

  • 06:53: ... enough heat to allow the stars' ultra dense carbon and oxygen to undergo nuclear ...

2021-03-23: Zeno's Paradox & The Quantum Zeno Effect

  • 07:47: ... same phenomenon that allows particles to “teleport” out of nuclei during nuclear ...

2021-01-26: Is Dark Matter Made of Particles?

  • 01:44: ... with each other through the standard model forces - the strong and weak nuclear forces and ...

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

  • 04:48: Once its nuclear fuel supply runs out, there would be no outward flow of energy to resist the gravitational crush.
  • 10:06: But Caplan performed a detailed analysis of the nuclear reactions that lead to an iron star, and found that the delicate balance is threatened.
  • 04:48: Once its nuclear fuel supply runs out, there would be no outward flow of energy to resist the gravitational crush.
  • 10:06: But Caplan performed a detailed analysis of the nuclear reactions that lead to an iron star, and found that the delicate balance is threatened.

2020-11-04: Electroweak Theory and the Origin of the Fundamental Forces

  • 01:36: While the brand new field of quantum mechanics could describe the behaviour of electrons, nuclear processes remained mysterious.
  • 13:01: ... this grand quest to find deeper symmetries that could bring the strong nuclear force into the fold, allowing us to collect the full Pokemon-evolution ...
  • 01:36: While the brand new field of quantum mechanics could describe the behaviour of electrons, nuclear processes remained mysterious.

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

  • 14:47: ... something may be ahead of us - like nuclear war, environmental destruction, ... Or it may be behind us, like it ...

2020-09-21: Could Life Evolve Inside Stars?

  • 00:08: There’s Stanislaw Lem’s sentient ocean in Solaris, or the neutron star civilization made of nuclear matter in Robert L Forward’s Dragon’s Egg.
  • 04:27: ... and Chudnovsky imagine a type of nuclear life, in which these chains form complex structures that can have a sort ...
  • 05:24: This is something we know is essential for any life, including nuclear life.
  • 09:27: Or perhaps the nuclear reactions in the core proceed faster, hastening the dissipation of the star’s energy through space.
  • 04:27: ... and Chudnovsky imagine a type of nuclear life, in which these chains form complex structures that can have a sort of ...
  • 05:24: This is something we know is essential for any life, including nuclear life.
  • 00:08: There’s Stanislaw Lem’s sentient ocean in Solaris, or the neutron star civilization made of nuclear matter in Robert L Forward’s Dragon’s Egg.
  • 09:27: Or perhaps the nuclear reactions in the core proceed faster, hastening the dissipation of the star’s energy through space.

2020-09-01: How Do We Know What Stars Are Made Of?

  • 00:28: ... stars are giant balls of fiery hydrogen and helium, powered by raging nuclear furnaces in their ...
  • 10:20: ... Eddington himself had postulated the whole nuclear fusion thing just a few years earlier in 1920, but now knowing what ...
  • 00:28: ... stars are giant balls of fiery hydrogen and helium, powered by raging nuclear furnaces in their ...
  • 10:20: ... Eddington himself had postulated the whole nuclear fusion thing just a few years earlier in 1920, but now knowing what stars are ...

2020-08-17: How Stars Destroy Each Other

  • 07:58: ... which is a star not quite massive enough to generate its own energy by nuclear ...

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

  • 00:00: ... of inspiration from both of you besides thinking more about the weak nuclear force what advice would you give to a young aspiring physicist uh ...

2020-05-27: Does Gravity Require Extra Dimensions?

  • 00:54: ... the other forces - I’m talking 10^24 times weaker than even the weak nuclear ...

2020-02-11: Are Axions Dark Matter?

  • 00:03: ... does the strong nuclear force, the fundamental symmetries of nature, and a laundry detergent ...
  • 01:05: ... flip. But not all. In a previous episode we talked about how the weak nuclear force is NOT symmetric under combined charge and mirror inversion and - ...
  • 02:11: ... in the weak force it’s natural to ask if it happens in the strong nuclear force also. The strong force is the fundamental force that binds quarks ...
  • 07:47: It would interact very weakly via the strong and weak nuclear forces, and via gravity.
  • 00:03: ... does the strong nuclear force, the fundamental symmetries of nature, and a laundry detergent have in ...
  • 01:05: ... flip. But not all. In a previous episode we talked about how the weak nuclear force is NOT symmetric under combined charge and mirror inversion and - or in ...
  • 02:11: ... in the weak force it’s natural to ask if it happens in the strong nuclear force also. The strong force is the fundamental force that binds quarks ...
  • 07:47: It would interact very weakly via the strong and weak nuclear forces, and via gravity.

2020-01-27: Hacking the Nature of Reality

  • 03:24: Those nuclear particles were originally thought to be elementary - to have no internal structure, just like the electron.
  • 06:04: At the time, nuclear scattering experiments were producing a startling variety of different particles.
  • 06:19: But at the time, prior to the discovery of quarks, no point-like, elementary nuclear particles were known.
  • 06:25: ... for smaller and smaller particles, Chew and collaborators promoted a “nuclear democracy”, in which no nuclear particle is more elementary than any ...
  • 06:37: They attempted to build scattering matrices with no elementary particles at all, and with no details of nuclear structure.
  • 09:45: ... of the behavior of quarks and gluons revealed that the strong nuclear force does not actually approach infinite strength as was once feared, ...
  • 11:35: ... so string theory was born - at first as a description of strong nuclear force interactions before quantum chromodynamics took over - but then as ...
  • 06:25: ... for smaller and smaller particles, Chew and collaborators promoted a “nuclear democracy”, in which no nuclear particle is more elementary than any ...
  • 09:45: ... of the behavior of quarks and gluons revealed that the strong nuclear force does not actually approach infinite strength as was once feared, and so ...
  • 11:35: ... so string theory was born - at first as a description of strong nuclear force interactions before quantum chromodynamics took over - but then as a ...
  • 06:25: ... Chew and collaborators promoted a “nuclear democracy”, in which no nuclear particle is more elementary than any ...
  • 03:24: Those nuclear particles were originally thought to be elementary - to have no internal structure, just like the electron.
  • 06:19: But at the time, prior to the discovery of quarks, no point-like, elementary nuclear particles were known.
  • 06:04: At the time, nuclear scattering experiments were producing a startling variety of different particles.
  • 06:37: They attempted to build scattering matrices with no elementary particles at all, and with no details of nuclear structure.

2020-01-20: Solving the Three Body Problem

  • 13:37: ... chance to oscillate, they remember how they were made. Neutrinos made in nuclear reactors are made with electrons and if they interact again, they make ...

2020-01-06: How To Detect a Neutrino

  • 01:57: ♪ ♪ ♪ ♪ Neutrinos are among the most elusive elementary particles of nature, ♪ ♪ only interacting by the weak nuclear force and gravity.
  • 04:16: ♪ ♪ As we mentioned: they only experience the weak nuclear force and gravity, ♪ ((𝘴𝘰𝘧𝘵)) ♪ and the latter is so weak we can ignore it altogether.
  • 05:05: ... the massless photon or gluon, which carry the electromagnetic and strong nuclear ...
  • 01:57: ♪ ♪ ♪ ♪ Neutrinos are among the most elusive elementary particles of nature, ♪ ♪ only interacting by the weak nuclear force and gravity.
  • 04:16: ♪ ♪ As we mentioned: they only experience the weak nuclear force and gravity, ♪ ((𝘴𝘰𝘧𝘵)) ♪ and the latter is so weak we can ignore it altogether.
  • 05:05: ... the massless photon or gluon, which carry the electromagnetic and strong nuclear forces. ...

2019-11-11: Does Life Need a Multiverse to Exist?

  • 05:36: Other slight changes in nuclear fine tuning would also massively reduce the amount of oxygen that stars produce.
  • 05:44: This all comes does to the fine-tuning of the strength of the strong nuclear force.
  • 06:51: But the fine-tuning is still there - we need the right balance between between the strengths of the strong nuclear force and gravity.
  • 07:19: ... the weak nuclear force is important; it regulates the conversion of protons into ...
  • 07:47: ... span a vast range of values nearly 10^40 from the strong nuclear force to gravity, and there’s no apparent pattern in their values. As ...
  • 05:36: Other slight changes in nuclear fine tuning would also massively reduce the amount of oxygen that stars produce.
  • 05:44: This all comes does to the fine-tuning of the strength of the strong nuclear force.
  • 06:51: But the fine-tuning is still there - we need the right balance between between the strengths of the strong nuclear force and gravity.
  • 07:19: ... the weak nuclear force is important; it regulates the conversion of protons into neutrons, and ...
  • 07:47: ... span a vast range of values nearly 10^40 from the strong nuclear force to gravity, and there’s no apparent pattern in their values. As far as ...

2019-11-04: Why We Might Be Alone in the Universe

  • 03:48: Such a filter might be after our own stage of development - climate change, nuclear obliteration, whatever - still waiting out there to wipe us out.

2019-09-23: Is Pluto a Planet?

  • 06:54: ... giant orbs of gas aren’t massive enough to ignite nuclear fusion in their cores like a true star, but still seemed too massive to ...

2019-08-19: What Happened Before the Big Bang?

  • 05:59: Those are theories that combine the strong nuclear force with electromagnetic and weak forces.

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

  • 01:56: ... what we expect if the entire universe was a dense billions of degrees nuclear furnace for the first several minutes of its existence In fact, There's ...

2019-07-15: The Quantum Internet

  • 11:32: In a recent episode we talked about Thorium and the future of Nuclear Energy!
  • 11:38: austin holbrook says we need to do a better job of breaking the common misconception that nuclear power plants can explode like Atom bombs.
  • 13:00: Nuclear fuel - typically uranium - is encased in graphite balls.
  • 15:03: Battlemechs, submarines, spaceships, DeLorean time machines - nuclear is probably the easiest option for the badass vehicles of the future.
  • 11:32: In a recent episode we talked about Thorium and the future of Nuclear Energy!
  • 13:00: Nuclear fuel - typically uranium - is encased in graphite balls.
  • 11:38: austin holbrook says we need to do a better job of breaking the common misconception that nuclear power plants can explode like Atom bombs.

2019-07-01: Thorium and the Future of Nuclear Energy

  • 00:00: ... too cheap to meter That was the promise of nuclear power in the 1950s at least according to Luis Strauss chairman of the ...
  • 00:33: ... breaking chemical bonds and Matter-antimatter annihilation we have nuclear energy the strong nuclear force holding nuclei together contains an ...
  • 02:49: ... maybe we can Before we can understand those, we'll need to review how nuclear reactors work Every fission reactor exploits the same phenomenon Certain ...
  • 00:33: ... breaking chemical bonds and Matter-antimatter annihilation we have nuclear energy the strong nuclear force holding nuclei together contains an enormous ...
  • 02:49: ... are still possible especially due to human error Even the smartest nuclear engineer can have a perma Simpson moment One way around the coolant issues is to ...
  • 00:33: ... and Matter-antimatter annihilation we have nuclear energy the strong nuclear force holding nuclei together contains an enormous amount of energy The Sun is ...
  • 00:00: ... too cheap to meter That was the promise of nuclear power in the 1950s at least according to Luis Strauss chairman of the Atomic ...
  • 00:33: ... products of coal burning But the most compelling attraction is that nuclear power doesn't directly produce carbon emissions In fact nuclear power may be ...
  • 02:49: ... the weaponizable U-233 completely inaccessible without enormous effort Nuclear power is a possible solution to our dire energy and climate challenges The ...
  • 00:33: ... products of coal burning But the most compelling attraction is that nuclear power doesn't directly produce carbon emissions In fact nuclear power may be our most ...
  • 02:49: ... and fast reactors have different advantages and disadvantages Regarding nuclear proliferation the waste of a thermal reactor isn't fissile But it could be bred into ...
  • 00:33: ... up air pollution due to coal-fired power plants than ever died in nuclear reactor accidents In fact, the radioactivity around coal fire plants is also ...
  • 02:49: ... maybe we can Before we can understand those, we'll need to review how nuclear reactors work Every fission reactor exploits the same phenomenon Certain very ...
  • 00:33: ... terrifying detail in the recent dramatization of the Chernobyl disaster Nuclear reactors sounds scary because the disasters are pretty epic However, the reality is that ...
  • 02:49: ... maybe we can Before we can understand those, we'll need to review how nuclear reactors work Every fission reactor exploits the same phenomenon Certain very large ...
  • 00:33: ... the proliferation of nuclear weaponry and there's also the problem of nuclear waste and the specter of horrible accidents This last one was painted in ...

2019-06-17: How Black Holes Kill Galaxies

  • 12:55: In fact, it's longer by around 44% or one over the natural log of 2 Thanks Anthony, I guess I need to retake nuclear physics.
  • 13:12: ... may be that some neutron stars are actually "Strange Stars" whose nuclear material is composed of strange matter which means up, down, and strange ...
  • 12:55: In fact, it's longer by around 44% or one over the natural log of 2 Thanks Anthony, I guess I need to retake nuclear physics.

2019-06-06: The Alchemy of Neutron Star Collisions

  • 00:00: ... idea that most atomic nuclei in our bodies were created in the nuclear furnaces and explosive deaths of stars that lived in the ancient ...
  • 00:34: ... periodic table between carbon and iron were produced in onion shells by nuclear fusion in the cores of very massive stars during the last phases of ...
  • 02:47: ... neutrons were stabilized by extreme pressure but once released this nuclear group expands and destabilizers it breaks up into droplets of neutrons ...
  • 00:00: ... idea that most atomic nuclei in our bodies were created in the nuclear furnaces and explosive deaths of stars that lived in the ancient universe in ...
  • 00:34: ... periodic table between carbon and iron were produced in onion shells by nuclear fusion in the cores of very massive stars during the last phases of their lives ...
  • 02:47: ... neutrons were stabilized by extreme pressure but once released this nuclear group expands and destabilizers it breaks up into droplets of neutrons many ...

2019-04-10: The Holographic Universe Explained

  • 12:21: The techniques of AdS/CFT correspondence are even extended to disparate fields like nuclear and condensed matter physics.

2019-01-16: Our Antimatter, Mirrored, Time-Reversed Universe

  • 02:02: ... counterparts but now the decay electrons travel upwards with the nuclear spin and away from the detector such a clock wouldn't tick at all taken ...
  • 03:02: ... well antimatter atoms have negatively charged nuclei which means their nuclear magnetic fields point in the opposite direction to regular matter ...
  • 02:02: ... counterparts but now the decay electrons travel upwards with the nuclear spin and away from the detector such a clock wouldn't tick at all taken to ...

2018-12-12: Quantum Physics in a Mirror Universe

  • 00:02: ... at least for tests involving gravity electromagnetism and the strong nuclear forces it was assumed that the weak nuclear force was the same deal ...

2018-11-14: Supersymmetric Particle Found?

  • 02:49: That's the energy at which the electromagnetic and weak nuclear forces merge into the same force.

2018-10-25: Will We Ever Find Alien Life?

  • 11:26: But the principle applies to a doomsday tech, nuclear weapons, genocidal nanobots, willful or negligent environmental destruction, you name it.

2018-10-18: What are the Strings in String Theory?

  • 01:52: The idea started in the 60s with efforts to understand the behavior of hadrons, collections of quarks bound by the gluons of the strong nuclear force.
  • 02:23: In this case, the strings are stretched out tubes of strong nuclear force, vibrating elastic bands made of gluons.
  • 01:52: The idea started in the 60s with efforts to understand the behavior of hadrons, collections of quarks bound by the gluons of the strong nuclear force.
  • 02:23: In this case, the strings are stretched out tubes of strong nuclear force, vibrating elastic bands made of gluons.

2018-10-03: How to Detect Extra Dimensions

  • 04:44: ... is vastly weaker, 10 to the power of 32 times weaker, than even the weak nuclear ...
  • 04:56: The only reason we see so much gravity is that its range is infinite-- and unlike the nuclear forces.
  • 04:44: ... is vastly weaker, 10 to the power of 32 times weaker, than even the weak nuclear force. ...
  • 04:56: The only reason we see so much gravity is that its range is infinite-- and unlike the nuclear forces.

2018-08-01: How Close To The Sun Can Humanity Get?

  • 01:01: Powered by the giant nuclear furnace of its core.
  • 01:05: ... energy it pumps out equivalent to a few hundred quadrillion nuclear power stations, provide essentially, all of the energy to sustain ...
  • 09:43: They'll try edible plastic and bring you to unexpected places, like a garage in Seattle with a nuclear reactor in it.
  • 01:01: Powered by the giant nuclear furnace of its core.
  • 01:05: ... energy it pumps out equivalent to a few hundred quadrillion nuclear power stations, provide essentially, all of the energy to sustain Earth's ...
  • 09:43: They'll try edible plastic and bring you to unexpected places, like a garage in Seattle with a nuclear reactor in it.

2018-07-11: Quantum Invariance & The Origin of The Standard Model

  • 09:49: ... the fields that give rise to electromagnetism, the weak and the strong nuclear forces, ...

2018-07-04: Will A New Neutrino Change The Standard Model?

  • 00:36: They don't interact by the electromagnetic or strong nuclear forces, only by the weak nuclear force and gravity.
  • 01:38: Those regular neutrinos are spotted when they interact with matter via the weak nuclear force.
  • 05:21: Chirality determines whether a particle can interact with the weak nuclear force.
  • 00:36: They don't interact by the electromagnetic or strong nuclear forces, only by the weak nuclear force and gravity.
  • 01:38: Those regular neutrinos are spotted when they interact with matter via the weak nuclear force.
  • 05:21: Chirality determines whether a particle can interact with the weak nuclear force.
  • 00:36: They don't interact by the electromagnetic or strong nuclear forces, only by the weak nuclear force and gravity.

2018-05-02: The Star at the End of Time

  • 01:55: ... or around the energy equivalent of 20 million times the Earth's entire nuclear arsenal every ...

2018-02-21: The Death of the Sun

  • 10:18: ... point, after a threshold, they come into range of each other's strong nuclear force, and the direction of the force turns around so the protons fold ...

2017-10-19: The Nature of Nothing

  • 06:03: On the other hand, it always takes a baseline chunk of energy to create a gluon, the carrier of the strong nuclear force, because gluons have mass.
  • 06:13: That means there's a limit to how long virtual gluons can exist and travel, which in turn makes the strong nuclear force a very short-range force.
  • 06:03: On the other hand, it always takes a baseline chunk of energy to create a gluon, the carrier of the strong nuclear force, because gluons have mass.
  • 06:13: That means there's a limit to how long virtual gluons can exist and travel, which in turn makes the strong nuclear force a very short-range force.

2017-09-28: Are the Fundamental Constants Changing?

  • 09:08: For example, there's the Oklo natural nuclear reactor in Gabon in central Africa.

2017-09-13: Neutron Stars Collide in New LIGO Signal?

  • 13:03: Nuclear fallout is dangerous enough, extra dangerous with a bit of wind.

2017-07-19: The Real Star Wars

  • 02:22: ... developed to the point that a single missile could deliver multiple nuclear warheads several thousand kilometers away in a ...
  • 05:50: For Excalibur, that source was a nuclear bomb set off behind an array of laser tubes.
  • 07:19: The treaty is now ratified by 107 nations and seriously limits the potential for nuclear space war.
  • 12:23: The Cold War arms race was on track to fill Earth's orbit with satellite-destroying weaponry and nuclear warheads.
  • 13:19: It covers nuclear energy and weaponry, as well as satellites, but I think I had the most fun with the episode on the invention of the crossbow.
  • 05:50: For Excalibur, that source was a nuclear bomb set off behind an array of laser tubes.
  • 13:19: It covers nuclear energy and weaponry, as well as satellites, but I think I had the most fun with the episode on the invention of the crossbow.
  • 07:19: The treaty is now ratified by 107 nations and seriously limits the potential for nuclear space war.
  • 02:22: ... developed to the point that a single missile could deliver multiple nuclear warheads several thousand kilometers away in a ...
  • 12:23: The Cold War arms race was on track to fill Earth's orbit with satellite-destroying weaponry and nuclear warheads.

2017-05-31: The Fate of the First Stars

  • 04:43: Now, the rate of nuclear fusion reactions is incredibly sensitive to temperature.

2017-04-05: Telescopes on the Moon

  • 12:11: NuclearCraft Mod spotted a missing plus sign in our full [INAUDIBLE] line element.

2017-02-02: The Geometry of Causality

  • 13:57: Mike Cammiso asks whether nuclear fusion occurs inside accretion disks.

2017-01-11: The EM Drive: Fact or Fantasy?

  • 04:59: ... levitate a good sized human, so the power output of a typical commercial nuclear power plant or the power consumption of a time traveling ...

2016-11-16: Strange Stars

  • 06:45: The electromagnetic force and the weak nuclear force were unified as the electroweak force.

2016-09-14: Self-Replicating Robots and Galactic Domination

  • 11:57: But there are several solutions, and safer nuclear power-- maybe thorium-- could be an answer.

2016-09-07: Is There a Fifth Fundamental Force? + Quantum Eraser Answer

  • 01:59: Well, in short, it's because the anomaly was observed for a very particular transition between the beryllium nuclear states.
  • 02:34: See, three of the four fundamental forces, electromagnetism and the strong and weak nuclear forces, are all communicated by these gauge bosons things.
  • 03:11: ... produced in the LHC, like the megaelectronvolt transitions of atomic nuclear energy ...
  • 02:34: See, three of the four fundamental forces, electromagnetism and the strong and weak nuclear forces, are all communicated by these gauge bosons things.
  • 01:59: Well, in short, it's because the anomaly was observed for a very particular transition between the beryllium nuclear states.

2016-07-20: The Future of Gravitational Waves

  • 00:09: That's what I'm going to do now and following that, I'll get to the solution to the nuclear physics challenge question.
  • 07:03: ... how far from the center of the nucleus, the Coulomb potential of the nuclear protons, reaches the 8.78 mega electron volts of the alpha particle's ...
  • 00:09: That's what I'm going to do now and following that, I'll get to the solution to the nuclear physics challenge question.
  • 07:03: ... how far from the center of the nucleus, the Coulomb potential of the nuclear protons, reaches the 8.78 mega electron volts of the alpha particle's kinetic ...

2016-06-29: Nuclear Physics Challenge

  • 00:06: We've been talking about quantum mechanics recently, and I think we're ready to do a bit of recreational nuclear physics.
  • 01:48: The walls of the box result from the strong nuclear force which holds the nucleus together.
  • 02:27: ... the size of the polonium 212 nucleus, which you can calculate from the nuclear radius relationship, which relates the radius of the nucleus to the ...
  • 03:54: Make sure you use the subject line Nuclear Physics Challenge to be in the running, because we filter by subject line.
  • 01:48: The walls of the box result from the strong nuclear force which holds the nucleus together.
  • 00:06: We've been talking about quantum mechanics recently, and I think we're ready to do a bit of recreational nuclear physics.
  • 03:54: Make sure you use the subject line Nuclear Physics Challenge to be in the running, because we filter by subject line.
  • 02:27: ... the size of the polonium 212 nucleus, which you can calculate from the nuclear radius relationship, which relates the radius of the nucleus to the atomic mass ...

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

  • 10:18: Think about that alpha particle trying to tunnel through the potential energy wall of the strong nuclear force.
  • 10:34: That means it can spontaneously be in the region of the wall where the strong nuclear force is pulling it back towards the center.
  • 10:18: Think about that alpha particle trying to tunnel through the potential energy wall of the strong nuclear force.
  • 10:34: That means it can spontaneously be in the region of the wall where the strong nuclear force is pulling it back towards the center.

2016-06-01: Is Quantum Tunneling Faster than Light?

  • 03:13: There an alpha particle is snugly bound into the nucleus by the strong nuclear force.
  • 04:10: There remains a tiny tail of probability outside the nucleus, beyond the reach of the strong nuclear force.
  • 03:13: There an alpha particle is snugly bound into the nucleus by the strong nuclear force.
  • 04:10: There remains a tiny tail of probability outside the nucleus, beyond the reach of the strong nuclear force.

2016-05-04: Will Starshot's Insterstellar Journey Succeed?

  • 04:09: ... both as thrusters and as communication devices, and perhaps even a small nuclear ...

2016-04-13: Will the Universe Expand Forever?

  • 10:01: So last week we talked about nuclear synthesis.

2016-04-06: We Are Star Stuff

  • 03:28: ... after the Big Bang, the entire universe was hot and dense enough for nuclear fusion, for protons to slam together hard enough to overcome the ...
  • 03:54: ... once these nucleon are close enough, the binding energy of the strong nuclear force is stronger than the repulsion of the electrostatic or cooling ...
  • 03:28: ... after the Big Bang, the entire universe was hot and dense enough for nuclear fusion, for protons to slam together hard enough to overcome the electrostatic ...

2016-03-16: Why is the Earth Round and the Milky Way Flat?

  • 07:11: Here the pressure comes from the upward flow of energy from the nuclear fusion engine in the core.

2016-03-02: What’s Wrong With the Big Bang Theory?

  • 01:52: ... you take this Higgs mass away from the particles that carry the weak nuclear force, they become just like the photon, which itself carries the ...
  • 02:49: ... 38 seconds, it's expected that this electroweak force and the strong nuclear force-- that's the force that holds atomic nuclei together-- also become ...
  • 01:52: ... you take this Higgs mass away from the particles that carry the weak nuclear force, they become just like the photon, which itself carries the ...
  • 02:49: ... 38 seconds, it's expected that this electroweak force and the strong nuclear force-- that's the force that holds atomic nuclei together-- also become unified ...

2016-02-24: Why the Big Bang Definitely Happened

  • 07:03: ... this time, nuclear fusion raged across the cosmos, baking some of the existing protons into ...

2016-01-06: The True Nature of Matter and Mass

  • 10:06: Then, without an infinite source and sink of weak hypercharge, the weak nuclear force and the electromagnetic force were all the same force.

2015-12-16: The Higgs Mechanism Explained

  • 04:26: ... except in this case, it lets only left-handed electrons feel the weak nuclear ...

2015-11-18: 5 Ways to Stop a Killer Asteroid

  • 01:54: For a rock around 500 meters in diameter, the strike will have the energy equivalent of all currently operational nuclear weapons in the world.
  • 02:12: At two to three kilometers, the sky goes dark from the ejector, and nuclear winter effects global climates.
  • 02:24: Nuclear winter lasts decades.
  • 01:54: For a rock around 500 meters in diameter, the strike will have the energy equivalent of all currently operational nuclear weapons in the world.
  • 02:12: At two to three kilometers, the sky goes dark from the ejector, and nuclear winter effects global climates.
  • 02:24: Nuclear winter lasts decades.
  • 02:12: At two to three kilometers, the sky goes dark from the ejector, and nuclear winter effects global climates.
  • 02:24: Nuclear winter lasts decades.

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

  • 00:43: ... civilizations before they get to the galactic empire stage, whether by a nuclear war, environmental catastrophe, accidentally making a black hole that ...

2015-10-15: 5 REAL Possibilities for Interstellar Travel

  • 04:36: It's rocket science and nuclear physics, so you know, hard.
  • 06:13: ... the beam of a gigantic space laser blasting the power equivalent of 100 nuclear ...
  • 06:30: 10% light speed is pretty reasonable with modern materials like a carbon web sail driven by a microwave beam running on a single nuclear power plant.
  • 09:25: We just have to increase the world's nuclear arsenal by a factor of 200, which we shouldn't do unless it's a question of extinction.
  • 04:36: It's rocket science and nuclear physics, so you know, hard.
  • 06:13: ... the beam of a gigantic space laser blasting the power equivalent of 100 nuclear plants. ...
  • 06:30: 10% light speed is pretty reasonable with modern materials like a carbon web sail driven by a microwave beam running on a single nuclear power plant.

2015-08-05: What Physics Teachers Get Wrong About Tides!

  • 10:09: ... by some kind of particle like electromagnetism by the photons, strong nuclear forces by the gluon, and so ...

2015-03-18: Can A Starfox Barrel Roll Work In Space?

  • 07:58: Another possibility raise is that maybe there exists an exotic but more stable state of nuclear matter involving strange quarks.

2015-03-11: What Will Destroy Planet Earth?

  • 00:00: Lots of unpleasant things from nuclear war to asteroid impacts could destroy life on Earth.

2015-02-18: Is It Irrational to Believe in Aliens?

  • 06:17: It can be something natural, like a virus or Godzilla, or species made, like a nuclear holocaust or out-of-control nanobots.
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