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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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14:01
How do you learn the age of the universe when there’s no trace left of its beginnings?
13:31
Recently we discovered that its violent past was much more recent than we thought.
13:38
How can we be sure about timescales so far beyond the capacity for human intuition?
12:49
If there’s one thing cooler than a black hole it’s a rotating black hole.
14:42
How do quantum states manifest in the classical world?
11:31
If the quantum multiverse is real there may be a version of you that lives forever.
15:09
Does conscious observation of a quantum system cause the wavefunction to collapse?
13:17
There is an idea that consciousness can directly influence quantum systems.
12:22
If the universe goes on forever, does that mean there are infinite versions of you?