GridVids
Sign in with YouTube

Deep Down, Space Might Have Only One Dimension -- and this would solve a BIG problem

Sabine Hossenfelder May 10, 2026 15:01
Create an account to hide videos, mark them watched, or save them to Don't Miss.
Don't Miss
Create an account to hide videos, mark them watched, or save them to Don't Miss.
Mark watched
Create an account to hide videos, mark them watched, or save them to Don't Miss.
Hide
Open in popup Open on YouTube
Share video

Share video

Copy the GridVids link or iframe code.

Video link
Iframe code
Iframe content

🌏 Get Exclusive NordVPN 2Y deal + 4 months extra here → https://nordvpn.com/sabine It’s risk-free with Nord’s 30-day money-back guarantee! ✌️ Physicists have been trying to reconcile the differences between Einstein’s theory of spacetime and our observations of quantum mechanics for almost a century. One way that they’ve attempted to do this involves theories that treat space as one-dimensional at very short distances. In a recent paper, physicists claim that they’ve solved a major problem that’s plagued these theories for decades. Does this finally solve the problem? Let’s take a look. 👕T-shirts, mugs, posters and more: ➜ https://sabines-store.dashery.com/ 💌 Support me on Donorbox ➜ https://donorbox.org/swtg 👉 Transcript with links to references on Patreon ➜ https://www.patreon.com/Sabine 📝 Transcripts and written news on Substack ➜ https://sciencewtg.substack.com/ 📩 Free weekly science newsletter ➜ https://sabinehossenfelder.com/newsletter/ 👂 Audio only podcast ➜ https://open.spotify.com/show/0MkNfXlKnMPEUMEeKQYmYC 🔗 Join this channel to get access to perks ➜ https://www.youtube.com/channel/UC1yNl2E66ZzKApQdRuTQ4tw/join 📚 Buy my book ➜ https://amzn.to/3HSAWJW The biggest open problem in the foundations of physics is how to make Einstein's theories of space and time compatible with quantum theory. Physicists have tried to solve this issue for decades, but it's been unsuccessful. This video discusses a new contender proposing that space might not be three-dimensional, but rather one-dimensional at a fundamental level, offering a fresh perspective on quantum gravity. This is significant science news that challenges our understanding of general relativity and dimensions.
Science & Technology
#hossenfelder #science with sabine #science humour #quantum gravity #space time #general relativity #dimensions #science news #sabine hossenfelder #physics new theory #spacetime #space dimension #Einstein #cosmology #physics news #physics news 2026