Underwater acoustics or hydroacoustics is the study of sound propagation in water and its interaction with the water's boundaries and contents. Underwater acoustics has widely attracted attention ...

Researchers have developed an underwater acoustic system for the localization of marine mammals, underwater vehicles and other sound sources in the ocean, using no more than a single hydrophone ...

A team of researchers at Pennsylvania State University, led by Amanda D. Hanford, has developed a "cloaking device" that works underwater. The new metamaterial shield is able to intercept and bend ...

SeaVorian, a player in the field of marine and underwater technologies, announced that the group will now operate under the ...

Challenges in approaches to creating underwater communication links. How a unique piezoelectric array can be used for zero-power links. The special electrical and mechanical issues addressed when ...

"Shell-crushing" - exactly what it sounds like - is a predatory mode used by numerous marine life from crabs to octopuses to large fishes and mammals when they eat hard-shelled mollusks like clams, ...

William Kuperman, emeritus professor of oceanography and former Director of the Marine Physical Laboratory (MPL) at UC San Diego’s Scripps Institution of Oceanography, died June 30. He was 81.

Getting your Trinity Audio player ready... San Diego is owed more than $260 million in delinquent parking tickets and other debts. Will it ever collect them? San Diego is owed more than $260 million ...

Most established methods for underwater imaging require tethering for power and communication, making them less suitable for long-term in situ observations. A project at MIT has now developed a ...

We can video chat with astronauts aboard the International Space Station and watch live footage from the frozen heights of Everest. But communicating with a submarine or a scuba diver? Not so easy.

'Shell-crushing,' an explosive sound, occurs when marine animals crack open hard shells like clams to eat the edible tissue. There hasn't been any data to support this feeding noise, until now. A ...