PBS Space Time backdrop
PBS Space Time S2025E19 — At What Point Does Spacetime Become Quantum?

At What Point Does Spacetime Become Quantum?

Sep 18, 202521 min
Discussion

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 2025 Episodes25

Cast1

Matthew O’Dowd

Matthew O’Dowd

Self - Host

Discussion

0 comments

Join the conversation

Share your take and reply to other fans.

No comments yet

Be the first to share your thoughts on this episode.

Episode Summary

"At What Point Does Spacetime Become Quantum?" is episode 19 of PBS Space Time season 2025. It aired on September 18, 2025.