|
2020-08-24: Can Future Colliders Break the Standard Model?
- 14:49: Think of the case of the rotating black hole - the singularity is a ring, and relatively few geodesics - free-falling paths - hit the singularity.
|
|
2020-08-17: How Stars Destroy Each Other
- 13:42: ... into an ovoid and then finally a sphere, or flattened sphere for a rotating black hole. ...
|
|
2020-06-30: Dissolving an Event Horizon
- 04:33: And just as with the rotating black hole, at some point the inner and outer horizons become one and vanish and you’re left with a naked singularity.
- 07:55: ... because space gets dragged around the rotating black hole, giving the gas a sort of boost so it can still orbit even with very ...
- 06:06: This can’t happen with rotating black holes because they leak away their angular momentum as well as their mass.
- 07:11: Rotating black holes gain their angular momentum from things they swallow.
|
|
2020-06-22: Building Black Holes in a Lab
- 08:04: ... thing we saw was that rotating black holes can donate some of their rotational energy to particles or waves that ...
|
|
2020-05-27: Does Gravity Require Extra Dimensions?
- 13:29: ... talked about the strange regions that lie beneath the event horizon of a rotating black hole - regions like the Carter time machine and the infinite string of ...
|
|
2020-05-18: Mapping the Multiverse
- 00:09: ... english: when you solve Einstein’s equations of general relativity for a rotating black hole, the universe does not come to an abrupt halt at the bottom of the ...
- 00:36: ... we began a little while ago when we explored the region just above a rotating black hole. ...
- 01:41: A rotating black hole is described mathematically by the Kerr metric.
- 01:53: We sometimes call a rotating black hole with no electric charge a Kerr black hole.
- 13:50: Just a little wishful thinking, a rotating black hole, and don’t forget to slip your map in your back pocket.
- 01:33: Now, we’re going to focus on rotating black holes here, but a lot of this also applies to charged black holes, as we’ll see.
|
|
2020-04-22: Will Wormholes Allow Fast Interstellar Travel?
- 11:48: ... or charged black hole. Now I’ve promised a more in-depth episode on rotating black hole interiors, so I’ll save the details for then. But for now let me just ...
|
|
2020-03-31: What’s On The Other Side Of A Black Hole?
- 13:31: ... is as much rotational energy as the black hole contains. for a maximally rotating black hole that's 40% of its total mass - all released as energy. To put that in ...
- 10:58: ... would allow instant travel between distant locations. And in the case of rotating black holes, the traversable wormhole and even the parallel universe are not so easy ...
- 11:37: ... Okay today we’re doing comments for the last two episodes which are on rotating black holes and quantum darwinism. Let’s see what you had to ...
|
|
2020-03-24: How Black Holes Spin Space Time
- 00:03: ... there’s one thing cooler than a black hole it’s a rotating black hole. Why? Because we can use them as futuristic power generators, ...
- 03:27: ... look at what the Kerr solution can tell us about the spacetime outside a rotating black hole. We’ll save the even weirder details of the Kerr black hole’s interior ...
- 05:14: ... flow of space around a rotating black hole is known as frame-dragging. We see it around any rotating mass. In frame ...
- 05:49: ... like crazy, you must spiral either inwards or outwards. But for a rotating black hole, frame dragging gives a you little extra kick, and so stable orbits exist ...
- 12:11: ... Rotating black holes are very real and powerful players in the energetics of our universe - ...
|
|
2019-10-21: Is Time Travel Impossible?
- 08:46: Another one is the interior of a rotating black hole – a so-called Kerr black hole.
|
|
2019-10-15: Loop Quantum Gravity Explained
- 15:49: ... exposing the singularity to the universe - or in the case of a rotating black hole, an infinite density ...
|
|
2019-10-07: Black Hole Harmonics
- 09:05: .69 means this is a rapidly rotating black hole, which is unsurprising seeing as it just absorbed the orbital angular momentum of two black holes.
|
|
2018-09-20: Quantum Gravity and the Hardest Problem in Physics
- 14:03: It's possible to extract energy from a rotating black hole by throwing in objects on near-miss trajectories.
- 14:09: The rotating black hole drags space around with it.
- 14:22: But rotating black holes are slightly squished.
|
|
2018-06-20: The Black Hole Information Paradox
- 05:27: ... called Einstein-Cartan theory, it's predicted that the formation of a rotating black hole gives birth to an entire new universe accessible by a ...
|
|
2018-06-13: What Survives Inside A Black Hole?
- 09:09: The frame dragging around a rotating black hole is rather stronger.
|
|
2018-05-09: How Gaia Changed Astronomy Forever
- 09:44: A popular one seems to be, rotating black holes or harvesting Hawking radiation from black holes.
|
|
2017-01-25: Why Quasars are so Awesome
- 05:07: This may be due to the magnetic field of a rapidly rotating black hole, but the jury is still out.
|
|
2015-08-19: Do Events Inside Black Holes Happen?
- 11:17: ... rotating black holes, charged black holes, black hole evaporation, what goes on around black ...
|