Back to Show
PBS Space Time
Electroweak Theory and the Origin of the Fundamental Forces
Season 6
Episode 34
Our universe seems..complicated. We have a weird zoo of elementary particles, which interact through very different fundamental forces. But some extremely subtle clues in nature have led us to believe that the forces of nature were once unified, ruled by a single, grand symmetry. But how does one force separate into multiple? And how do the forces of nature arise from mathematical symmetries?
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By

15:36
The Moon: humanity’s first destination beyond our atmosphere.

15:07
So how did humans figure out the solar system? Eclipses!

15:02
Is gravity just an emergent effect of entropy?

14:28
Is our 3-D universe is just the inward projection of an infinitely distant boundary?

14:12
What if aliens are deliberately keeping quiet for fear that they might be destroyed?

15:13
So what exactly is an EMP, and how dangerous are they?

14:44
The terrible singularity at the heart of the black hole may be no more.

14:33
We may have solved the mysterious origins of supermassive black holes in our universe.

16:30
Does antimatter fall down, or does it fall up?

14:29
Could cosmic voids be driving the universe?

17:53
Is there a black hole hiding in the core of the Sun eating it from the inside out?

19:19
What if we aren't the first technological civilization on Earth?