Some of the fascinating things we did with the radioactive element, including using it as a "wonderful" nightlight, since it "glows with a weird light in a dark room." Radium was discovered by Marie ...
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Two years ago a ‘radium clock’ was constructed for the Chicago Radium Institute similar to the original one described by Strutt (Phil. Mag., 1903). Three milligrams of radium sulphate, contained in a ...
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