1971 in science
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Edward Andrade
1887 in science
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Philipp Lenard
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Royal Institution
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Lawrence Bragg
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1971 in literature
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Julian Huxley
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Radiation
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Photon
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Isaac Newton
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Francis Crick
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Electromagnetic spectrum
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Electromagnetic radiation
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E. N. Da C. Andrade
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Edward Neville Da Costa Andrade
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