Skip to main content
Back to Show
PBS Space Time

What If Gravity is Not A Fundamental Force?

Season 10 Episode 5

Gravity might not be a more fundamental than the force of a stretched elastic band. Maybe gravity is just an entropic byproduct—an emergent effect of the universe’s tendency to disorder. If you allow entropy to keep you in your seat for a bit, I’ll tell you all about it.

Only Available with Passport Starting
Support Provided By
Season
At What Point Does Spacetime Become Quantum?
19:01
How to build a particle collider the size of the solar system.
The Most Important Satellite You’ve (Probably) Never Heard Of
12:39
One of the most important reasons we go to space is to know our own planet better.
Why The Multiverse Could Be Real
17:14
Can something that exists be bad science?
Why Is All DNA Right Handed?
18:56
It may be that our very DNA inherited its twist from the underlying handedness of reality.
Are The Fundamental Constants Finely Tuned? | The Naturalness Problem
17:21
Did God have any choice in creating the world? So asked Albert Einstein
The Crisis In Physics: Are We Missing 17 Layers of Reality?
18:19
What if, just before we reach the bottom, we find out that reductionism fails?
Is Our Model of Dark Energy Wrong? | New 4.2σ Results
19:03
The biggest news in cosmology in recent years is that dark energy may be fading away.
Is There A Simple Solution To The Fermi Paradox?
18:50
Does this also explain why there are no aliens?
Quantum Energy Teleportation is Real!
16:58
Quantum energy teleportation may be as close as we get to transporter beams. But how close is that?
Why Didn’t Antimatter Destroy The Universe?
14:50
Why is there any matter in the universe? A new antimatter breakthrough at LHC holds clues.
New Evidence: Earth Had Rings (and Might Regain Them)
16:30
There’s an extremely good chance that Earth once did have a ring system.
How Astrophysics Can Literally Save the World
17:23
How is it possible to tell if a space rock will one day collide with the Earth?
Active loading indicator