1 Jan 1907 Jahr - ERNEST RUTHERFORD (1871-1937 CE) date of discovery (1907 CE) Fired alpha particles at gold foil and deduced that the atom is composed mostly of empty space with electrons orbiting in a set, predictable paths around fixed, positively charged nucleus. Although his model was partially inaccurate, it helped form the basis of the quantum mechanics and helped the future development of quantum mechanics.
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1 Jan 1907 Jahr
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~ 118 years ago