Word: layers
(lookup in dictionary)
(lookup stats)
Dates: during 1930-1939
Sort By: most recent first
(reverse)
...layman as well as to the layer, a fresh egg in its shell has an air of completion. To a large and growing section of the egg business it is merely raw material...
...Equator to four or less at the Poles. One of its chief features is that there is practically no vertical temperature gradient. By describing it as "a calm and weatherless region," TIME meant that it lies above the turbulence, heavy clouds and precipitation which characterize the troposphere or surface layer of the atmosphere...
...They saw no reason why this energy omitted from a transmitting station should not disappear into free space and be lost to the cart. To explain this difficulty, Sir Oliver Heaviside in England and Arthur E. Kennelly simultaneously proposed the explanation that radio signals are reflected from an ionized layer in the upper atmosphere and the energy thereby returned to the earth...
...pulses from a special radio transmitter. These purses rise to the ionosphere and are reflected back to the earth as echoes, where they are received by a special radio receiver. The time elapsed between the transmission and reception of each pulse is recorded and the effective height of the layer may then be computed...
...constant". Laying emphasis on the failure to penetrate beyond a transition zone of light and heavy atmosphere, he expressed a conviction that with the accessibility to a greater elevation a more distinct transformation would be evident. Results of the recent flight yielded valuable specimens of ozone, a high oxygen layer which deflects ultraviolet rays, and revealed the presence of living spores and bacteria at the highest altitudes...