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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 ene 1899 año - --1899-- Ernst Rutherford distinguishes alpha and beta radiation, and discovers half-life
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Science assessment timeline
By
Matthew Lockwood
5 may 2020
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1 ene 1899 año
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~ 126 years ago
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