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String Theory Predicts Testable “Dark Dimension,” Physicists Say

Sabine Hossenfelder Sep 6, 2026 15:00
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Click the link below or scan the QR code to get started with Brilliant’s tutor for free. You can upgrade to Premium to unlock all courses. And right now, Science with Sabine viewers can save 20% off an annual subscription at https://Brilliant.org/Sabine/ String theory has been famously untestable for decades. This week the Economist reported that has changed, and the reason involves an extra dimension of space that might be just big enough to notice in a tabletop experiment. There is a rather different way to read the situation. Let's take a look. Paper: https://doi.org/10.48550/arXiv.1806.08362 #stringtheory #physics #darkmatter #sciencenews #science 👕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
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