Word: phenomena
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Dates: during 1920-1929
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...There are, however, other phenomena in physics of coordinate importance with those of geometry, namely, the phenomena of vibrating systems, of which the pendulum is a familiar example. The simplest type of oscillatory motion is governed by a differential equation of the second order, and two of the solutions of this equation are the functions sin x and cos x. By means of the differential equation the leading properties of these functions can be deduced with ease, and thus the foundations of trigonomemtry are laid...
...rainbow was short-lived, however. One of the commonest natural phenomena of the oil fields is the entrance of salt water into the oil-bearing formation from the borders of a pool, encroaching more and more according as the gas pressure is released, so that in time the pool is entirely flooded and must be abandoned. Many pools in Oklahoma, Kansas, Ohio and elsewhere were doomed to early decline from this cause, and the present more serious decline of the Mexican fields arises in a similar manner. While not all oil-bearing strata contain salt water, the majority of them...
...Late Mr. Kidd", is to be given this evening in the Pi Eta Theatre at 8 o'clock. A few tickets are still available, and will be on sale at the door. The play is based on a selection from a book by Professor W. I. Drinkwater, "Ethnologic Phenomena", in which he mentions the inhabitants of the island of Tambelo, in the Malay Archipelago. These people are the descendants of a pirate colony founded there to prey on the East India trade...
...thorough study of the theories governing gyroscopic reaction and phenomena, Mr. Sperry has succeeded in developing a non-magnetic compass which holds unerringly to the true north, thus removing the uncertainty of the easily affected magnetic needle; and a ship stabilizer which has already made rolling and pitching a thing of the past. He will tell of the application of these instruments and with the aid of lantern slides, moving pictures, and models, will show them in the process of construction and in actual operation...
...committee, if we had the old banking system which existed prior to 1914, the present crisis would very likely have seen expansion to the bursting point. In regard to the Boston banking trouble, Professor Persons stated, "I believe that the failures of the trust companies were purely local phenomena, and do not indicate weakness in the general banking situation, even in Boston...