Up Next

The New Physics of Black Hole Star Capture | Extreme Tidal Disruption Events
Season 10
Episode 21
17:44
Back to Show
PBS Space Time
Is Gravity RANDOM Not Quantum?
Season 10
Episode 19
The holy grail of theoretical physics is to find the long-sought theory of quantum gravity. But what if this theory is as mythical as the grail of legend? What if gravity isn’t weirdly quantum at all, but rather … just a bit messy? Or random? So says the postquantum gravity hypothesis of Jonathan Oppenheim.
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.

16:35
Is there a limit to how much energy you can cram into, or pull out of one patch of space?

17:19
I’d like to invite you to an even higher level of nerdom!

11:43
Gravitational tsunamis exist and we’re on the verge of being able to detect them.

18:40
Will we ever become a Kardeshev Type-1 civilization and how can we get there?

14:05
New data is telling us that Neutron stars may make one of the most popular dark matter candidates.

15:14
Is Dark Energy Getting Weaker?

16:08
Here’s the story we like to tell about the beginning of the universe.

17:44
We’ve never seen a TDE in the Milky Way, but we’ve seen them in distant galaxies.

16:51
Let’s talk about quantum gravity experiments that can be done here on Earth!

17:02
Have we reached the end of the line of discoverable elements?

15:32
Can we change the color of a black hole?

18:26
Learn about Nobel laureate Roger Penrose's idea of how consciousness is caused by quantum processes.