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X-rays  

Definición

  • X-R AYS W ER E FIRST observed and documented in 1895 by Wilhelm Conrad Roentgen, a German scientist who found them quite by accident when experimenting with vacuum tubes. Roentgen called the radiation ‘X’ to indicate it was an unknown type of radiation. [Source: Encyclopedia of Cancer and Society; X-rays]

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URI

http://data.loterre.fr/ark:/67375/N9J-PZWK4J1D-W

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