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2022-09-28: Why Is 1/137 One of the Greatest Unsolved Problems In Physics?

  • 08:33: ... value for the fine structure constant or many of the other fundamental constants. ...
  • 12:55: ... hints at a connection between the other fundamental constants - perhaps pointing to an underlying common mechanism that set the  ...

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

  • 06:39: ... We have this thing that’s full of our  wonderful fundamental constants - in fact,   in the exact form as the Planck length  ...
  • 07:48: ... This explains why the Planck length   is this combination of fundamental constants - it’s the wavelength of a photon that creates a   black ...
  • 06:39: ... We have this thing that’s full of our  wonderful fundamental constants - in fact,   in the exact form as the Planck length  ...
  • 07:48: ... This explains why the Planck length   is this combination of fundamental constants - it’s the wavelength of a photon that creates a   black hole of the ...

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

  • 00:00: ... out a hundred thousand um in contrast if you try to predict the 32 fundamental constants of the standard model using some new model that itself has a thousand ...

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

  • 15:01: ... asked whether we would get new quantum fields and new particles if other fundamental constants turned out to vary over space, in the same way that a variable theta ...

2020-01-13: How To Capture Black Holes

  • 12:49: ... The hypothesis is trying to explain the apparent fine tuning of the fundamental constants, not the origin of everything. Ideas like cosmological natural selection ...

2019-12-17: Do Black Holes Create New Universes?

  • 00:30: Why, for example, are the fundamental constants - like the mass of the electron or the strength of the forces - just right for the emergence of life?
  • 00:50: ... there are countless universes with different fundamental constants, then it’s not surprising that a few exist with the right numbers for ...
  • 02:10: ... in their formation the fundamental constants of the daughter universes are shifted slightly and randomly from their ...
  • 04:02: ... expanded on the procreating black hole idea by suggesting that the fundamental constants of these new universes could be different to their ...
  • 04:14: ... seems plausible - if fundamental constants can change at all then surely it’s in the highest possible energy ...
  • 05:36: ... there’s a prediction: the fundamental constants that define black hole production should be close to optimal in a given ...
  • 08:09: ... holds, there are no doubt different regions in the landscape of possible fundamental constants where different types of black hole are ...
  • 10:44: ... natural selection is meant to explain the fine tuning in the fundamental constants, which appear to be either set by design or by extreme ...
  • 13:40: Please email us with the configuration of fundamental constants you’d prefer and we’ll get it right out to you.
  • 00:30: Why, for example, are the fundamental constants - like the mass of the electron or the strength of the forces - just right for the emergence of life?

2019-12-02: Is The Universe Finite?

  • 15:40: ... typical universe? Well it would be one whose particular configuration of fundamental constants gives you a universe similar in some respect to lots of other ...

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

  • 03:01: That means the fundamental constants and initial conditions of the universe must be just right to allow nice habitable planets to form.
  • 03:31: ... get interesting when you add the fact that our universe seems to have fundamental constants and initial conditions that seem extremely fine-tuned for the eventual ...
  • 04:21: ... all, it doesn’t tell us WHY the fundamental constants take on the values that they do - or why they may vary between ...
  • 14:21: ... very different to ourselves, that could potentially exist if the fundamental constants were ...
  • 14:36: Well, actually, fine tuning arguments for the fundamental constants for the most part take that into account.
  • 15:26: ... out that I missed one possibility - perhaps the dials defining the fundamental constants were neither randomly set nor deliberately ...
  • 15:59: ... that gives you only one universe with an unavoidable combination of fundamental constants that was completely devoid of ...

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

  • 00:35: Those equations always include one or more fundamental constants - simple numbers that set the scale for the equation.
  • 01:02: ... model of particle physics, there are something like 20 independent fundamental constants of ...
  • 11:13: Can we justify the idea of a multiverse with changing fundamental constants?
  • 11:24: ... this candidate theory of everything suggests that the values of the fundamental constants, including the vacuum energy, are set by the particular configuration of ...
  • 11:47: And there are other proposals for how the fundamental constants might vary over space or between universes.
  • 12:21: ... when black holes form, with each new universe having slightly different fundamental constants to its ...
  • 15:08: ... able to get different types of complexity and even life by tweaking the fundamental constants in different ways, but there seem to be way WAY more combinations of ...
  • 00:35: Those equations always include one or more fundamental constants - simple numbers that set the scale for the equation.
  • 11:24: ... this candidate theory of everything suggests that the values of the fundamental constants, including the vacuum energy, are set by the particular configuration of the extra ...

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

  • 00:33: Our laws of physics are equations of motion tuned by the fundamental constants.

2017-10-04: When Quasars Collide STJC

  • 10:52: Last week, we talked about the intriguing possibility that the fundamental constants of nature are changing.
  • 11:00: Nevermind asks whether the fundamental constants are connected to each other.
  • 11:35: A few of you took issue with my suggestion that changing fundamental constants help with the fine--tuning problem.
  • 11:41: ... the anthropic principle solves the problem without even changing the fundamental constants. ...
  • 11:50: ... even the multiverse-- has the same laws of physics, including the same fundamental constants. ...

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

  • 00:20: There is a hint of evidence that the fundamental constants that govern our universe may evolve over time, and even from one location to another.
  • 01:14: Why the fundamental constants take the values they do is a very deep and unanswered question.
  • 01:33: They predict that the fundamental constants may not be constant at all, and instead, may vary over time and space.
  • 09:57: ... to be necessary for the appearance of life are quite sensitive to some fundamental constants, Alpha ...
  • 10:25: ... if the fundamental constants vary from place to place, then it's not surprising that we find ...
  • 12:34: Richard, thank you, and may your own fundamental constants remain stable and forever within a range that supports life as we know it.
  • 09:57: ... to be necessary for the appearance of life are quite sensitive to some fundamental constants, Alpha ...
  • 12:34: Richard, thank you, and may your own fundamental constants remain stable and forever within a range that supports life as we know it.
  • 10:25: ... if the fundamental constants vary from place to place, then it's not surprising that we find ourselves in ...

2016-06-22: Planck's Constant and The Origin of Quantum Mechanics

  • 10:47: And combined with a small handful of other fundamental constants, it governs the behavior of everything in this space time.

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

  • 11:24: ... that point, it perhaps becomes more interesting to ask why other fundamental constants of nature have the values that they do compared to the speed of ...
  • 11:33: ... that said, the relative units of the fundamental constants, the speed of light, the strength of the fundamental forces, et cetera, ...

2015-10-07: The Speed of Light is NOT About Light

  • 08:14: That value has to be a combination of the fundamental constants of Maxwell's equations.

2015-05-27: Habitable Exoplanets Debunked!

  • 10:09: ... are on the table to modify the definition of the SI kilogram in terms of fundamental constants of nature, like Planck's constant and the speed of ...
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