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A comment on The most powerful cosmic ray since the Oh-My-God particle puzzles scientists. Parent comment

Re:The most powerful cosmic ray since the Oh-My-God particle... by antognini on Sunday November 26, 2023 @10:26AM (#38422294)
There are a couple of apps that let you detect cosmic rays on your smartphone. (One example: https://cosmicrayapp.com/)

They basically keep the camera shutter closed and look for streaks on the camera CCD.

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