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

  • 10:42: ... Renyi entropy is found using the gravitational path integral. For a spacetime geometry where none   of the black holes interact with each other, ...

2021-04-21: The NEW Warp Drive Possibilities

  • 04:01: ... distribution of mass, energy, on the right side and it spits out the spacetime geometry on the ...

2015-08-19: Do Events Inside Black Holes Happen?

  • 04:56: ... determines the spacetime geometry in its neighborhood, the resulting geodesics of which correspond to ...
  • 05:19: So as far as Earth is concerned, that black hole generates the same spacetime geometry out here that the Sun does.
  • 06:26: See, spacetime geometry in this region is very foreign.

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

  • 00:02: But before we can graduate to the curves version and general relativity, we need a stronger foundation in spacetime geometry.
  • 01:07: Now, we're not going to do a complete treatment of special relativity or all aspects of flat spacetime geometry.
  • 01:22: Our principle tool for exploring flat spacetime geometry will be something called a spacetime diagram for representing physical events.

2015-07-08: Curvature Demonstrated + Comments

  • 06:29: I wanted to make sure this was on better footing before we moved on to flat spacetime geometry in the next episode.

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

  • 07:49: Flat spacetime geometry is part two, which is next week.
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