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Word: wavelength (lookup in dictionary) (lookup stats)
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...clearly without interference. He would not divulge details, but indicated that he had mathematically discovered "a simple new combination of capacity and inductance that functions through properties of the wireless wave other than amplitude and harmonics." It was his belief that the number of portions into which a given wavelength could be split is indefinite...

Author: /time Magazine | Title: Science: Progress | 3/1/1926 | See Source »

...electrons from a hot filament similar to those used in a radio tube. The energy of this current was readily reckoned in volts, and as the voltage was increased things began to happen to the hydrogen atoms it encountered. Suddenly they began to emit radiation of a definite wavelength, measurable as a single line in a light spectrum. The hydrogen atoms had been excited, their electrons swinging out into wider, more madly rapid orbits. The voltage of the current was increased again, until a second line appeared in the spectrum, indicating that the hydrogen atoms had achieved a still higher...

Author: /time Magazine | Title: Science: Hydrogen | 3/1/1926 | See Source »

...billionth of an ounce. Gossamer quartz filaments balance the scales, the slightest titillation of which is reflected from their gold-mirrored surfaces by a ray of light. The ray is split by two half-mirrors, being reunited on the scale-mirrors, where any disparity between the wavelengths of the reunited portions is clearly seen as shadow bands. Thus, when the object weighed (1/29,000 oz. of quartz filament) is lightened by the pull of sun or moon, the scale tips, the wavelength no longer matches (having traveled different distances), and the shadow-bands reflect weight variations caused by gravity within...

Author: /time Magazine | Title: Science: Weighing Moonlight | 11/2/1925 | See Source »

...Y.M.C.A. planned to receive 4,500 sailors on shore every day, provided 1,500 beds and continuous meals. The newspapers published "Home News for the Fleet"?items wirelessed from KDKA (Pittsburgh) on a 63-meter wavelength, by arrangement with The Melbourne Herald, secured through the U.S. representative of La Nacion (Buenos Aires). Every evening at 6 p. m. the items are flashed from Pittsburgh and are received in Melbourne at 8 a. m. almost instantaneously, but by calendar a day later...

Author: /time Magazine | Title: ARMY & NAVY: Shore Leave | 8/3/1925 | See Source »

...talk to and hear each other simultaneously. Hitherto messages could be spoken only one way at a time, but German engineers have eliminated the interference of sending with receiving antennae. Just a push of a switch and the listener could become the talker. The duplex set operated on a wavelength of 1,800 or 1,450 meters. It was found effective up to 700 miles. Other conversations were held between the Columbus and persons in their offices in Germany; and when the Columbus reached Manhattan, U. S. telephone officials went aboard to examine the device, to plan shore stations...

Author: /time Magazine | Title: Science: Ship Telephones | 7/13/1925 | See Source »

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