Marie Curie's study of Uranium and Thorium (mar 1, 1894 – jun 21, 1894)
Description:
Marie Curie studied the radiation of all compounds containing the known radioactive elements, including uranium and thorium, which she later discovered was also radioactive.Added to timeline:
Date:
mar 1, 1894
jun 21, 1894
~ 3 months and 22 days