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A three-year research project looked at the materials in four works from the same period to explain their differing conditions
Credit: Getty Images A fleet of drone vessels that autonomously scans the seafloor using multi-beam sonars, or aerial platforms bouncing sonar signals off submerged objects might contribute to a greater understanding of what lies beneath, but an armada of rays equipped with ultrasonic hardware could be enlisted to fortify the effort. "Electric rays and stingrays are benthic animals, meaning that they spend most of their time swimming around the ocean floor in deep places," explains lead study author Yo Tanaka, from the Japanese scientific institute Riken. "By combining simple pinger technolog...
Stingrays demonstrate mapping potential as they skim the seafloor Riken While we're pretty well across the topography of the Earth's surface, understanding that of the ocean floor is a whole other ball game. It is said that we know more about the surface of Mars than the seafloor, and scientists are developing all sorts of technologies to help us fill in the blanks. Among them is a new technique that uses deep-dwelling rays to survey the seabed for us, and possibly even power the required hardware themselves. Something like 80 percent of the ocean remains unmapped as of today, so ther...