From a fortnight's press flurry of hazy ideas and inaccurate terms concerning something that had happened to the atom at Cambridge, England, this much could be clarified last week:
Dr. J. D. Cockroft, 34, and Dr. E. T. S. Walton, who is still in his 20's, workers under Ernest Lord Rutherford at the Cavendish Laboratories, were firing protons down a long vacuum tube at a target of lithium, a metal belonging to the sodium-potassium family of elements. A proton is a particle of positive electricity. Drs. Cockroft & Walton were aiming at the rapidly moving atoms in the piece of lithium. The...
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