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PBS Space Time
What If Physics IS Not Describing Reality?
Season 8
Episode 17
Neils Bohr said, “It is wrong to think that the task of physics is to find out how Nature is. Physics concerns what we can say about Nature.” Well it turns out that if we pay attention to this subtle difference, some of the most mysterious aspects of nature make a lot more sense.
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16:35
What if the Big Bang was just an endless cycle?

19:39
Why are billions suddenly being pumped into fusion startups?

16:36
The universe should've collapsed after the Big Bang, but a light Higgs boson let us exist.

14:30
Maybe dark energy doesn't exist?

18:32
Dark matter has eluded us for many decades but we may be able to discover more now.

15:35
What do you get if you combine something that’s infinitely massive and negative infinitely massive?

13:39
What does an electron really look like?

16:35
Is there a limit to how much energy you can cram into, or pull out of one patch of space?

17:19
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11:43
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18:40
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14:05
New data is telling us that Neutron stars may make one of the most popular dark matter candidates.