Uploaded May 2026 | Updated September 2026, 2 weeks ago
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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.
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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.
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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: ➜ sabines-store.dashery.com
💌 Support me on Donorbox ➜ donorbox.org/swtg
👉 Transcript with links to references on Patreon ➜ patreon.com/Sabine
📝 Transcripts and written news on Substack ➜ sciencewtg.substack.com
📩 Free weekly science newsletter ➜ sabinehossenfelder.com/newsletter
👂 Audio only podcast ➜ open.spotify.com/show/0MkNfXlKnMPEUMEeKQYmYC
🔗 Join this channel to get access to perks ➜
youtube.com/channel/UC1yNl2E66ZzKApQdRuTQ4tw/join
📚 Buy my book ➜ 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.
