Word: radio
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Dates: during 1900-1909
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...PHYSICAL COLLOQUIUM. "Radio-active Change," Mr. Hodge; "The Secondary Spectrum of Hydrogen," Dr. Lyman. Jefferson Physical Laboratory, Room...
...meeting of the Massachusetts Schoolmasters' Club, at the Hotel Brunswick, in Boston, this afternoon the general topic "Some Aspects of Modern Science" will be discussed. Professor W. C. Sabine '88, will speak on "Radio Activity;" Professor William Sedgwick, of the Massachusetts Institute of Technology, on "Science and Health," and Mr. J. C. Packard, of the Brookline High School, on "The Place of Modern Science in the School Curriculum." Professor P. H. Hanus is president of the club. A dinner at 1 o'clock will precede the regular meeting...
...first meeting of the Physical Colloquium was held in the Jefferson Physical Laboratory yesterday afternoon. Professor Trowbridge spoke upon the value of quartz vessels for use in spectrum analysis, and Dr. Lyman discussed the following recent papers upon radio-activity: Deviable Rays of Radio-active Substances; The Cause and Nature of Radio-activity, both by Professor E. Rutherford; and Experiments on Induced Radio-activity in Air, by Professor J. J. Thompson...
...February number of the Philosophical Magazine, published in London, has appeared the thesis of George W. Pierce, Ph.D., '00, who is at present the holder of a Tyndall Scholarship and is studying at Leipsic. This article, entitled "Indices of Refraction for Electric Waves, Measured by a Modified Radio-Micrometer," comprises the results of a valuable investigation which was conducted last year under the direction of Professor Trowbridge. The method for wave measurement which Dr. Pierce has devised is a distinct advance over any previously employed...