Word: wheeling
(lookup in dictionary)
(lookup stats)
Dates: during 1940-1949
Sort By: most recent first
(reverse)
...snake charmer, the drum beater, and the man who operated a crude wooden Ferris wheel were there in full force, as they and their ancestors had been for more than a century. The entrance to the sylvan temple of Sipi was decorated with paper flowers, as it always...
...glittery west side suburbs, is tree-shaded and quiet. One afternoon last week its peace dissolved in sounds familiar to every North American -the scream of braked tires, the clatter and bang of a rear-end collision. A sleek new Oldsmobile, with a pretty girl at the wheel, had smashed into a new Buick...
Loud Holes. This is roughly the way many sirens work, but Inventor White has added something extra. The channels in his steel disc are designed to act as resonators, i.e., to intensify sound waves. When they are closed by the wheel's teeth, the air rushing through them stops suddenly. A compression (sound) wave builds up, reverberates back & forth as if the channel were a tiny organ pipe. When the wheel is revolving at proper speed, the wave snaps back just in time to find the end of the channel uncovered. It pops out into the open, carrying with...
...With the wheel spinning at 18,000 r.p.m., the sound has a pitch of 24,000 cycles-too high for the normal human ear. But if two sheets of paper are placed in the beam, the nearer is cooled by the air blast, while the second bursts into flame. Once Mr. White held his hand in the path of the silent sound waves. He felt a "scintillating" sensation, as if his skin were covered with rapidly alternating hot and cold spots. The hand was not damaged. Ultrasonic sound is no comic-strip death ray; 99.98% of its energy is reflected...
Paralyzing Racket. Though intended primarily for ultrasonics, Inventor White's siren can also produce ordinary, audible sounds. Low in pitch, their power is still enormous. To show what they can do, White adjusts the wheel's speed so that it will generate 800-cycle sound waves -just below the top of a soprano's range...