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PBS Space Time
Why String Theory is Wrong
Season 5
Episode 6
There’s this idea that beauty is a powerful guide to truth in the mathematics of physical theory. String theory is certainly beautiful in the eyes of many physicists. Beautiful enough to pursue even if it’s wrong?
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Learn about the standard model of particle physics, the most accurate physical theory yet.
10:36
One paper reports on a new particle outside the standard model: the sterile neutrino.
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Nothing can escape from below the event horizon- not matter, light, or even information.
11:03
Nothing can escape from below the event horizon- not matter, light, or even information.
10:06
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9:38
Flawed conservation laws are consequences of a much deeper principle: Noether’s theorem.
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We can now see that the Milky Way is swarming with tens of thousands of black holes.
8:36
We’re going to need a gravitational wave observatory - in fact, we've already built one.
10:44
How did our chaotic universe generate the extreme complexity we see in life?