Rutherford and McClung, two years before the date of the experiment, had calculated the heat equivalent of the ionization effected by uranium, radium, and thorium. Even at this date (1903 ...

It has been observed in a laboratory that this metal apparently breaks down, but much more slowly than radium. Of a given amount of uranium only a ten-thousand-millionth part decays in a year.

The wonder of Radium, a glowing treasure discovered by Marie Curie, blinded the world to its perils... and it quickly became ...

A more famous victim of radium was its discoverer, the double Nobel prize winner Marie Curie, born Maria Sklodowska. Working with her husband Pierre, Marie Curie was studying pitchblende, a mineral ...

Gilbert LaBine, a co-founder of Eldorado Gold Mines, discovered a rich deposit of radioactive pitchblende ore — containing radium, uranium and polonium — as well as silver, on the eastern ...

The hundreds of young women who worked in watch factories throughout the 1920s were exposed to so much radium that they used ...