15 h 8 m, 28 ene 1898 año - Marie Curie
Descripción:
She discovered radioactivity and the elements polonium and radium while working with pitchblende. Her contributions to the study of radium and radiation helped with the future development of the atomic bomb.
Añadido al timeline:
Atomic Theory Project: timeline portion
fecha:
Fotos:
![]()
