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April 1, 2024
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Radium Girls
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Atualizado 5 mai 2022
Mr. Smith!!!!!!
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Hudson Marlow
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Eventos
Dmitri Mendeleev introduced the periodic system.
December 1895 Wilhelm Roentgen Discovered
Henri Becquerel announced the discovery of the radioactivity
Marie Curie reported their discovery and coined the term radioactivity in 1898.
Early 1900's the study of radiotion was widely accepted in scientific endeavor
World War I
Radium girls
The British Roentgen Society had adopted a resolution to protect people from the over exposure.
American organizations had adopted the British protection rules by 1922
Throughout the 1920's-1930's more guidelines were developed.
By 1930's physicists wee beginning to understand fission and radioactive decay.
In 1959 the federal Radiation council was established to advise the President of the United states.
In 1970's Congress created the U.S Enviomental Protection Agency (EPA) to serve as the primary federal agency to protect agency to protect people.
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