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Laser-excited thorium-229 pioneers major breakthrough in dark matter detection

Laser-excited thorium-229 pioneers major breakthrough in dark matter detection

Key Takeaways Scientists have used laser-excited thorium-229 to probe for ultralight dark matter, even without a fully built nuclear clock. Thorium-229’s unique nuclear transition offers up to a billion times more sensitivity to fundamental forces than current methods. This new technique opens a fresh path for dark matter searches, potentially detecting effects 100 million times weaker than gravity. For nearly …

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