For five days and five nights last summer, Dr G. Von Salis and Dr. W. Kolhoster of Switzerland sat on top of Mont Monch, which towers up to 13,465 ft. hard by the Jungfrau in the Alps. They had dug a pit twelve feet wide and 20 feet deep in the eternal ice of that summit, and lowered into it instruments extremely sensitive to radiant energy. Their procedure closely paralleled experiments conducted during 1923-25 by Dr. Robert A. Millikan of the Norman Bridge Laboratory of Physics (Pasadena, Calif.), who first buried his...
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