Word: recoiling
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...parade four specimens of a completely new heavy mobile gun. Each gun appeared to have a crew of about 40 and sped past in five sections, each rolling on rubber tires and pulled by a heavy tractor. First section, the gun carriage; second, the gun cradle; third, the immense recoil and recuperator gear; fourth, incidental equipment of the gun; and fifth, the gun barrel which appeared to be some 45 feet long with a calibre of ten inches. A retired naval officer of a Great Power exclaimed: "I have seen plenty of guns like that on shipboard, but I have...
This year Ohio's Governor Martin Davey did not appoint a committee, pleaded inadequate funds; Connecticut, Arkansas, Missouri, Tennessee, Samoa and the Virgin Islands sent no pictures; the Kansas exhibit consisted of 14 tidy prints that might have been designed in a fastidious recoil from the ostentatious earthiness of Midwesterners like Thomas Benton and Grant Wood. That State committees were an unpredictable factor was equally apparent in the State of Washington exhibit, predominantly abstract, and the Massachusetts collection, which was academic, mythological, and as out of tune with its neighbors as a choir at a Benny Goodman swing concert...
...first experimental confirmation was the bending of starlight in the gravitational field of the sun, observed during a solar eclipse in 1919. Others are the "stretching" (increased wave length) of light from heavy stars, the conversion of mass into energy in the laboratory, the recoil of a body which emits light. Relativity also explains eccentricities in Mercury's orbit, which had remained a mystery under Newtonian mechanics. Atom-smashers who build cyclotrons (machines in which atomic projectiles are whirled by electric and magnetic fields) take into careful consideration the Relativistic increase in mass of fast particles. In brief, Relativity...
...powered electrons (100 volts) which Davisson was using would not go through a crystal. He knew, however, that a beam reflected from the topmost atoms of the crystal structure would make a pattern similar to that made by a beam passing through. So he decided to explore the recoil pattern of electrons bouncing off the crystal surface...
Fast moving electrons make an impression on a photographic plate as X-rays do, but Davisson's electrons were too slow to obtain such a picture. So he "felt" the pattern of his reflected beam by moving an electron collector around in the recoil region. Connected to an ammeter, the collector translated the strength of the electron beam at a number of points into measured electric current. The pattern having been thus patiently and ingeniously mapped out, it was seen to consist of true diffraction rings. Concluded the researchers: "Our experiments establish the wave nature of moving electrons with...