15 ч 8 мин, 28 янв 1898 г. - Marie Curie
Описание:
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.Добавлено на ленту времени:
Дата:
15 ч 8 мин, 28 янв 1898 г.
Сейчас
~ 127 г назад