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PBS Space Time
The Supernova At The End of Time
Season 7
Episode 2
It looks like the universe is going to end with a series of catastrophic explosions. The very, very long story short is that the universe ends in heat death, as it approaches maximum entropy, and its eternal exponential expansion drives it to effective utter emptiness and absolute cold. But new calculations have revealed we may be able to look forward to one last source of astrophysical cataclysm
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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?
13:34
An insight by a young scientist in 1925 allowed us a better understanding of space time.