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PBS Space Time
The Geometry of Causality
Season 3
Episode 12
Using geometry we can not only understand, but visualize how causality dictates the order of events in our 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.
