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jan 1, 1899 - Ernest Rutherford: Discovery of Radiation

Description:

In 1899, Ernest Rutherford created the Planetary Model of the Atom, discovered three types of radiation: alpha, beta, and gamma, while performing an experiment that based the types of radiation on penetration of objects and their ability to cause ionization.

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Date:

jan 1, 1899
Now
~ 126 years ago

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