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2022-04-20: Does the Universe Create Itself?

  • 17:39: ... is just another way of saying that the universe is just below the critical mass density to avoid recollapse. At least in the absence of dark energy. ...

2019-07-15: The Quantum Internet

  • 11:50: It's really, really hard to even make a critical mass of fissile material explode like an atom bomb - it's a very precise engineering feat.

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

  • 02:49: ... If you have enough of these heavy nuclei, if you exceed what we call critical mass then neutrons produced in every fission trigger at least one more ...

2016-04-27: What Does Dark Energy Really Do?

  • 04:04: When the star reaches a critical mass, a runaway fusion reaction obliterates the star as a supernova.
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