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Show Radium by Sound The London correspondent of the Journal of the American Medical Association reports that after a search lasting eight years eight milligrams mil-ligrams of radium in the form of needles have been recovered. The radium had been thrown away by mistake at a British hospital with surgical dressings that had served their purpose. The dressings found their way to an Incinerator, and the ashes were In turn scattered on a cinder road. With the aid of a Gle-ger-Muller counter, or the kind used to detect cosmic rays, the radium was at last recovered. Radium shoots off rays which Ionize Ion-ize or electrify the surrounding air. This electrification can be made audible In the form of a click. The search for radium was undertaken with Buch a clicking detector. |