It is known as IrukaTact, and was developed by PhD candidates Aisen Caro Chacin and Takeshi Oozu of Tsukuba University in Japan. It is a sonar technology device that could locate underwater objects in nearly any conditions - ABC News writes.
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Iruka is the Japanese name for dophin, and the device is modeled after dolphin sonar where tiny jets of water alerts a user of closeness to a missing underwater object.
Rather than wearing underwater goggles and jumping into the river to search for objects, the sonar technology object will alert a user to the underwater objects he is searching for. When the sonar receives signal from the missing object, it transmits this information via tiny jets to the user to alert him to its presence.
The closer an individual is to the object the greater water pressure they feel, helping them to locate an object quick in cloudy water conditions.
"It extends the sense of touch to feel the topography of a sunken floor," Chacin wrote. "It's in parallel to the wearer’s hand in order to perceive objects under cloudy waters where sight is no longer useful."
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IrukaTact developers had earlier presented the design of the device at the Ars Electronica Festival for Art and Electronics this past September, and they are quite hopeful their invention would be excellent for conducting underwater searches and carrying out recovery missions.