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PBS Space Time
Will the Universe Expand Forever?
Season 2
Episode 26
Throughout history, there has been much speculation about what the fate of the universe would be. Many theorized that the universe would eventually succumb to the pull of gravity, and reverse its expansion in what was being called ‘The Big Crunch.’ However, with the help of mathematical equations from Newton, Einstein, and Alexander Friedmann, we now have an answer.
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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!