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Published — 6 September 2026 ⏭ Sabine Hossenfelder

Just One More Dimension and Dark Matter Is Solved

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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

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