How search teams could use sound to find the Titan sub -- and why it’s a challenge
Search teams racing to find the missing Titanic submersible have detected underwater noises in the area. A big challenge is that the search team doesn’t know exactly what kind of signal they’re looking for, said Lora Van Uffelen, an ocean engineering researcher at the University of Rhode Island. You can’t really understand what the person at the other end of the canyon is saying.” The sounds in the Titan search were picked up using devices called sonobuoys, which can be tossed out of airplanes to detect noises to avoid interference with ship sounds, Dzieciuch said. But Van Uffelen said that despite the challenges, “sound is one of the best hopes they have of finding it.” Sound waves move farther underwater compared to on land, she said. And in the underwater environment, sound also travels farther than light, she pointed out — so “it’s going to be easier to find it by listening than it would be by looking.” ___ The Associated Press Health and Science Department receives support from the Howard Hughes Medical Institute’s Science and Educational Media Group.
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