Back to Show
PBS Space Time
Did AI Prove Our Proton Model Wrong?
Season 9
Episode 17
The humble proton may seem simple enough, and they’re certainly common. And protons are each made of three up or down quarks. Simple stuff, right? All except for that last part. Protons are actually made of many, many quarks that happen to look like three only when we look at them in a particular way. And even then, sometimes they’re made of 5 quarks - including the charm quark.
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By

18:19
What if, just before we reach the bottom, we find out that reductionism fails?

19:03
The biggest news in cosmology in recent years is that dark energy may be fading away.

18:50
Does this also explain why there are no aliens?

16:58
Quantum energy teleportation may be as close as we get to transporter beams. But how close is that?

14:50
Why is there any matter in the universe? A new antimatter breakthrough at LHC holds clues.

16:30
There’s an extremely good chance that Earth once did have a ring system.

17:23
How is it possible to tell if a space rock will one day collide with the Earth?

15:58
Did you know that many of us have up to 4% neanderthal DNA?

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?