3 abr 1879 año - Sir William Crookes
Descripción:
Discovered cathode rays had the following properties: travel in straight lines from the cathode; cause glass to fluoresce; impart a negative charge to objects they strike; are deflected by electric fields and magnets to suggest a negative charge; cause pinwheels in their path to spin indicating they have mass.
Añadido al timeline:
scientific atom timeline
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