Since late last year, the silver-short U.S. has been forced to mint silverless “sandwich” quarters and dimes containing a central layer of copper between two thin slices of copper-nickel alloy. Now ...

EHSA allows for the entry of source use and waste generation by the Authorized User or Radiation Worker. This mechanism is meant to capture the dispensing of radioactive material from the original ...

THE number of close pairs of stars formed in ‘Nuclear Research’ emulsion is greater than expected if the stars are independent and distributed at random 1,2. It was suggested that a neutral radiation ...

The first method of counting atomic particles was by “scintillations.” Using a microscope, early atomic physicists counted the tiny flashes of light that are made by particles from radium as they hit ...