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...starting point where the elapsed time is recorded while others escape into space. From this data the heights and densities of the layers can be calculated. Of the three major layers, said Dr. Berkner, the lowest (E) averages 65 miles high, the next (F1) 130 miles, the uppermost (F2) 190 miles. In summer the densities of these three, from top to bottom, are 16,000,000 ions, 5,300,000 ions and 2,800,000 ions per cubic inch. During the present sunspot cycle ionization has increased about 50% in the E and F1 layers, about 200% in the high...
This test was a prime part of Project XS-F2-U25?a scientific investigation of driving skill begun with $14,000 of FERA funds last September under the direction of Professor Harry Reginald DeSilva. Born 37 years ago in Pensacola, Fla., Harry DeSilva got a Ph. D. from Harvard, another from England's Cambridge, lectured at Canada's McGill. When he took charge of Massachusetts State's psychological laboratory three years ago, he was an imaginative, and mechanical-minded scientist, disillusioned with what he calls "pencil-&-paper" psychology and with antiquated gadgets which had changed little since Germany's Wundt...
Cameraman McAvoy used a Leica camera with a Summar f2 lens, worked with the lens wide open at one-eighth second speed. His film was Du Pont Superior panchromatic, hypersensitized to half again its rated speed by exposing it to fumes of the strongest ammonia obtainable in a closed box for four minutes. Caution to novices: Film so treated should be used within eight hours. After that period it will not only lose its extra sensitivity, but may deteriorate below its original condition...
...25Latin 8 Sever 19Mathematics A I (see footnote*)Dr. Myers, Sec. 1 Sever 18Mr. Curtiss, Sec. 2 Sever 23Mr. Adams, Sec. 3 Sever 24Mathematics 2 I (see footnote*)Professor Beatley Emerson 211Music 2 Music Bldg.Physics 25 Pierce 110Physics 32a Sever 14Psychology 22a Emerson DSlavic 4 Sever 4Sociology 2 Emerson F2 P.M.Philosophy 1a Emerson D, 211TUESDAY, JANUARY 30, (XIV)Botany 7 Gray Herb.Chinese 11 Boylston 25Classical Philology 32 Sever 35Comp. Literature 8 Sever 35Comp. Philology 6 Emerson FEconomics 3 Emerson DEconomics 46 Sever 35Engin. Sciences 11 Pierce 110English 35a Memorial HallEnglish 78 Harvard 5Fine Arts 5c Fogg Small Rm.Fine Arts...
...footnote*)Professor Morse, Sec. 1 Emerson 211Mr. Van Schaack, Sec. 2 Emerson 211Mathematics 3 Memorial HallMathematics 36 Memorial HallMusic 4 Music Bldg.Physics D Mallinckrodt MB9Physics 2a Mallinckrodt MB23Physics 40 Sever 13Physiology 1 Sever 14Psychology 16 Emerson ARomance Philology 3 Memorial HallSemitic 18 Sever 29Sociology 21 Emerson F2 P.M.English 28 Memorial HallSATURDAY, JANUARY 27, (VIII)Astronomy 10a Astron, Lab.Celtic 1 New Lect. HallChemistry 10 Mallinckrodt MB8Comp. Philology 8 New Lect. HallFine Arts 5s Fogg Small Rm.German AMr. Barnason, Sec. 4, 9 Memorial HallMr. Bennett, Sec. 15, 20 Memorial HallMr. Buffington, Sec. 11, 21 Memorial HallMr. Hawkes, Sec. 17 Memorial HallMr. Henry...