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PBS Space Time
How We Know The Universe is Ancient
Season 6
Episode 14
The universe is precisely 13.8 billion year old - or so our best scientific methods tell us. But how do you learn the age of the universe when there’s no trace left of its beginnings?
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16:30
Does antimatter fall down, or does it fall up?
14:29
Could cosmic voids be driving the universe?
17:53
Is there a black hole hiding in the core of the Sun eating it from the inside out?
19:19
What if we aren't the first technological civilization on Earth?
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!