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Ghost Particles Are Exposing Hidden Black Holes. They Just Won a Nobel Prize.
Season 12
Episode 2
17:28
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PBS Space Time
How the Quantum Eraser Rewrites the Past
Causality is meant to move in one direction: forward. But the Quantum Eraser experiment seems to reverse causality. How and why can this happen and what are the implications of this experiment on how we understand Quantum Mechanics and our greater universe?
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11:24
Many heavy elements were produced in a spectacular event: the collision of neutron stars.
12:29
There was a time before the first star ignited. A time we call the cosmic dark ages.
13:58
Quantum computing is cool, but you know what would be extra awesome - a quantum internet.
13:21
Of all the unlikely ends of the universe, the Big Rip has to be the most spectacular.
12:28
Perhaps the most persistent nonsense in physics: the perpetual motion machine.
