Word: fish
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Dates: during 1960-1969
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...pressing the button, the University of Miami scientist had set off a low-frequency sound projector submerged in 60 ft. of water on the ocean floor. To any carnivorous fish within earshot, the signals probably seemed similar to the noises made by other fish when they are feeding, being attacked or under other conditions of stress. Excited by the apparent proximity of prey, the sharks and other predators greedily converged on the sound projector...
Sound Assumption. Myrberg's shark-calling technique is an outgrowth of his studies of fish behavior financed by the Office of Naval Research and the National Science Foundation. After starting his research on North Bimini in 1965, he proceeded on the assumption that fish communicate better acoustically than by sight or smell. Sound, after all, is carried farther in water than in the air, and three or four times as fast...
...began using it to control his subjects. By playing a recorded chirping sound, for example, he caused the damselfish to twist 45 degrees and then make a U-shaped dip, a pattern it often follows during spawning. Another recorded call actually caused color changes on the body of the fish...
Finny Barrier. Scientists now foresee exciting possibilities in the control of fish by sonic commands. They might, for example, be used to lure dangerous fish away from swimming areas or from divers in the sea. There are even potential military applications. By broadcasting intermittently at a popular shark frequency, a sound projector could provide a moored ship with an effective finny barrier against enemy frogmen...
Cortazar's Cronopios and Famas is an assortment of free-floating insights of varying specific levity. Some never quite surface. They are the blind fish of his inspiration, stunted in the sealed caves of his most private fantasy...