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PBS Space Time
What If Space is Not Empty?
Season 9
Episode 23
Spacetime on its smallest scales is a seething ocean of black holes and wormholes flickering into and out of existence—or so many physicists think has to be the case. But why should we take this spacetime foam seriously if we’ve never seen any evidence of it?
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19:03
Many World’s lack wavefunction collapse might be the key to the measurement problem.
18:32
The holy grail of physics is a quantum theory of gravity. What if it’s not possible?
18:32
Alien life will most likely be discovered by faint changes in the color of alien sunsets.
12:05
The 2023 Physics Nobel prize has been awarded to three physicists for attosecond physics.
15:59
With the James Webb Space Telescope we’ve now seen the earliest star ever detected.
17:24
Some are arguing that Many Worlds and Pilot Wave are really the same.
18:00
What if we could produce superconductivity at room temperature? It would change the world.
20:39
We may need to build a radio telescope in the quietest place nearby - the moon!
11:49
Did JWST just find a new type of star powered by dark matter?
16:21
Did we just uncover new evidence to support Cold Dark Matter?
15:51
The gravitational wave background has probably been detected using a pulsar timing array.
15:05
Let’s explore how constant this speed of light fundamental constant really is.