This toy, which included real uranium ore, is being auctioned over 70 years ... a spinthariscope that allows radioactive decay to be seen on a fluorescent screen and a cloud chamber that enables ...

"Users should not take ore samples out of their jars, for they tend to flake and crumble and you would run the risk of having radioactive ore spread out in your laboratory." Such was the warning ...

This leaves White Mesa as the only American uranium mill still accepting ore and other radioactive materials from around the country and the world. It was one of nearly two dozen conventional ...

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Boltwood studied this concept of "radioactive series," and found that lead was always present in uranium and thorium ores. He believed that lead must be the final product of the radioactive decay ...

On August 3, Navajo President Buu Nygren ordered tribal police to stop the trucks which had transported “dozens of tons” of radioactive ore according to reports from the Pinyon Plain Mine on ...

Yet it became apparent to the Curies that there was another substance in the ores that was considerably more radioactive than either uranium or polonium. The challenge now was to find out what.

That radioactive ore was transported thousands of kilometres south, via Canada's "Atomic Highway," to be refined in Port Hope, Ont. And the uranium was used in the Manhattan Project, which develop ...