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Stephen Sekula (steve)'s status on Saturday, 04-Feb-2023 08:07:00 EST Stephen Sekula
From NigelJTSmith https://twitter.com/NigelJTSmith on Twitter: A slug of radon in the â¦@TRIUMFLabâ© cloud chamber, showing the alpha decays from the chain (thick tracks). Radon is a challenging background for dark matter detectors as it leads to nuclear recoil backgrounds that mimic the signal. https://twitter.com/NigelJTSmith/status/1621711578939949058/video/1 https://chirp.cooleysekula.net/attachment/d908fd6ec5b00ef034a11b283bfb59a3204cfded12875ab466ad95aa638b0605/view