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  Ashely Davies

  https://sciencealert.co.uk/%EC%9A%B0%EB%A6%AC%EC%B9%B4%EC%A7%80%EB%85%B8-%EC%9E%85%EA%B8%88-%EC%A6%89%EC%8B%9C-%EB%B3%B4%EB%84%88%EC%8A%A4-%EC%A6%89%EA%B0%81%EC%A0%81%EC%9D%B8-%ED%98%9C%ED%83%9D%EC%9D%84-%EB%88%84%EB%A6%AC/