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PBS Space Time
Why Quantum Information is Never Destroyed
Season 4
Episode 26
If you have perfect knowledge of every single particle in the universe, can you use the laws of physics to rewind all the way back to the Big Bang? Is the entire history of the universe perfectly knowable? Or has information somehow lost along the way?
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18:32
Dark matter has eluded us for many decades but we may be able to discover more now.
15:35
What do you get if you combine something that’s infinitely massive and negative infinitely massive?
16:35
Is there a limit to how much energy you can cram into, or pull out of one patch of space?
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.
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!