Word: darked
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...train bound southward roared through the gathering dark over the state of Virginia. Aboard the train, Charles E. Hughes made his toilet preparatory to going...
...midnight in Paris. Through the dark streets rushed reporters in a taxicab. The cab stopped before the U. S. Embassy. The reporters rang the doorbell and pounded on the U. S. Embassy door. A sleepy concierge came to find out what was the matter. "We want to see Ambassador Kellogg; he is visiting with Ambassador Herrick," demanded the reporters. "C'est impossible," declared the concierge. "Les Excellences se sont déjà couch...
...rays. Two rays are used for comparison. It works roughly on the principle that, if two sets of waves are produced and the crest of one is timed to come in the trough of another, the appearance of waves is destroyed. In the case of light, this means a dark place or shadow. When the light rays are received upon a given surface, visible dark lines are formed by the interference of the waves. Using this device in Southern California, last year, experiments were made by Prof. Michelson which measured the speed of light-now given as 186,000 miles...
...beams, traveling around the rectangle in both directions, moved at the same rate, the waves would come into the interferometer simultaneously; there would be no interference, hence no dark lines and light fringes on the receiving surface. If the beam going in one direction traveled faster than the beam going in the opposite direction, their waves would arrive at different times; there would be interference, hence black lines and light fringes visible in the instrument. With this second result, it would be apparent that something impeded the light going in one direction-the movement of the earth (as the Einstein...
...present has grown much too blase to do anything but yawn when confronted with the wonders of science. Even hideous gases and death-dealing ultra-what rays have lost their power to amuse us. We smile at chemistry, and, save when we experiment with the fuse-box in the dark, ignore the extraordinary possibilities of electricity. Complex machinery is to us as an open primer, and we positively gape when someone mentions advanced physics...