Word: layer
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...reception over that half of the world lighted by the sun improved instead of faltering. Indeed by Oct. 21-23 it was the best the Bureau had ever observed. Next day-the crucial day-reception fell off sharply by half, and the expected fading occurred. Simultaneously the uppermost main layer of the ionosphere (radio-reflecting region of electrified air) rose from 155 mi. to a record height...
...light which was reflected back up again from the surface of the water did not account for the loss of light which had been found. The only possible explanation of this was that the of light was absorbed in the thousands of tiny bubbles which exist in the top layer of ocean water
...potentiometers. Dr. Joannes Gregorius Dusser de Barenne and Warren S. McCulloch of Yale coagulated the cortical tissue in anesthetized monkeys by a few seconds' application of temperatures of 150-175° F. This wiped out the electric currents. By selective coagulation of one or more of the six layers of the cortex, the scientists found that each layer generated its own current...
...previously known, from dredged-up samples, that the surface of the Shelf was rock laid down by sedimentation in the Cretaceous era, 70,000,000 to 100,000,000 years ago. With no knowledge of how deep this layer was, it was thought that it thinned out eastward, exposing at or near the edge of the Shelf the basic granite foundation of the North American continent, some 1,000,000,000 years old. Dr. Ewing's twitchy seismograph needles now told him how thick the sedimentary layer was. Near the shore the thickness...
...canvas to foil snoopers. Bald, secretive Professor Goddard showed them a new rocket he has sent on short nights at 700 m.p.h., a new gyroscope designed to keep it from wobbling. By 1936, he predicted, he will be ready to send rockets perhaps 150 mi. into the Kennelly-Heaviside layer of ionized air with instruments which will record meteorological and other data, float back to earth on parachutes. Pleased, Messrs. Guggenheim & Lindbergh promised another year of support by the Daniel and Florence Guggenheim Foundation, climbed into their plane, flew away...