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RADIO AGE for January, 1927
The Magazine of the Hour
Keeping Pace with Science
Eyes and Ears of the U. S. Coast Artillery
In the foreground is shown the huge new two-billion candle power Sperry searchlight, capable of casting a ray of light 40 miles, exhibited for the first time at the 1926 Electrical and Industrial Exposition at Grand Central Palace. In the background of the picture may be seen the listening machine used by the Army to detect the approach of enemy airplanes
First Plane Catapulted From Turret of U. S. Battleship By Powder Explosion
The U. S. Navy added another chapter to the history of aeronautics when a 5,100 pound amphibian plane was shot from the top of a turret of the U. S. S. West Virginia in Los Angeles harbor. A charge of powder equivalent to that used in an 8 inch shell was exploded. Lieut. D. S. Fahrney piloted the plane in the experimental take-off which is the first time it has ever been done.
Wide World Photo
Cosmic Rays Have Been Traced to Milky Way
TWO discoveries have been announced concerning the remarkable cosmic rays which continually bombard the earth from outer space. One announcement comes from the American physicist, Dr. R. A. Millikan, who detected these rays last year by sinking his apparatus deep in the water of a snow-fed lake high up on the California mountains. Dr. Millikan has now repeated these tests in the water of another mountain lake on top of the Andes Mountains in South America. The results are the same. The reality of the cosmic rays can no longer be doubted. The other announcement comes from Dr. Werner Kolhoerster, of Berlin, a German scientist who has been studying these rays for several years. Assisted by Dr. Gubert von Salis, he tested the intensity of cosmic rays on the top of one of the mountains in Switzerland. This intensity was found to vary from hour to hour, depending upon what part of the sky was overhead. More of the rays appear to come from the Milky Way than from other parts of the sky, with two other apparent sources perceptible ; one in the neighborhood of the great Andromeda nebula and the other in the constellation Hercules. What produces these cosmic rays is unknown. Many scientists think that it is some transformation of the atoms of matter. The rays resemble Xrays but are much more penetrating. If they can be identified as coming from some particular class of celestial objects that may yield a clue to' their origin and thence to how they can be produced and studied here on earth.
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