Skip to Main Content

At What Point Does Spacetime Become Quantum?

To observe the quantum nature of gravity and of spacetime itself, we need a particle collider the size of the solar system. Or we could just physics smarter and build one on a lab bench. Here’s how.
Season 11 Episode 12 Length 19:01 Premiere: 09/18/25

Recent Episodes

Sponsored by:

Specials

Season 11 Episodes

Dark Energy Is Driving the Universe Apart. We May Finally Know Why.
S11 E22 Length 19:02 Premiere Date 02/19/26

Our Only Chance To Finally Unlock The Gravity Particle
S11 E21 Length 16:26 Premiere Date 02/05/26

The Particle We’ve Been Chasing for 30 Years Might Not Exist
S11 E20 Length 18:33 Premiere Date 01/22/26

The Universe Itself Might Be Hiding the Gravity Particle From Us
S11 E19 Length 18:42 Premiere Date 01/13/26

Heisenberg Made a Discovery in 1925. We Still Can't Explain It
S11 E18 Length 25:02 Premiere Date 12/11/25

Do We Live in the Rarest Solar System In The Universe? We're about to find out!
S11 E17 Length 21:17 Premiere Date 11/25/25

The Gravity Particle Should Exist. So Where Is It?
S11 E16 Length 21:31 Premiere Date 11/13/25

Why Antimatter Engines Could Launch In Your Lifetime
S11 E15 Length 19:52 Premiere Date 10/30/25

We Were Wrong About the Quantum Eraser!
S11 E14 Length 23:22 Premiere Date 10/16/25

Why Life on Mars Will Doom Humanity
S11 E13 Length 19:14 Premiere Date 10/02/25

At What Point Does Spacetime Become Quantum?
S11 E12 Length 19:01 Premiere Date 09/18/25

The Most Important Satellite You’ve (Probably) Never Heard Of
S11 E11 Length 12:39 Premiere Date 09/04/25

Is There a Simple Proof For a Vast Multiverse?
S11 E10 Length 16:18 Premiere Date 08/14/25

Why The Multiverse Could Be Real
S11 E9 Length 17:14 Premiere Date 07/31/25

Why Is All DNA Right Handed?
S11 E8 Length 18:56 Premiere Date 07/17/25

Are The Fundamental Constants Finely Tuned? | The Naturalness Problem
S11 E7 Length 17:21 Premiere Date 06/26/25

The Crisis In Physics: Are We Missing 17 Layers of Reality?
S11 E6 Length 18:19 Premiere Date 06/12/25

Is Our Model of Dark Energy Wrong? | New 4.2σ Results
S11 E5 Length 19:03 Premiere Date 05/29/25

Is Our Model of Dark Energy Wrong?
S11 E5 Length 18:50 Premiere Date 05/29/25

Is There A Simple Solution To The Fermi Paradox?
S11 E4 Length 18:50 Premiere Date 05/15/25

Quantum Energy Teleportation is Real!
S11 E3 Length 16:58 Premiere Date 05/01/25

Why Didn’t Antimatter Destroy The Universe?
S11 E2 Length 14:50 Premiere Date 04/17/25

New Evidence: Earth Had Rings (and Might Regain Them)
S11 E1 Length 16:30 Premiere Date 04/03/25

See All Episodes

caret down

TV Schedules

Upcoming

No upcoming airdates

Recent

No recent airdates

Explore KET