Raytheon Co., Keyport, Washington, is awarded $11,738,000 for firm-fixed-priced undefinitized delivery order N00024-19-F-6308 under indefinite-delivery/indefinite ...

Boat ramp users could soon be alerted to nearby saltwater crocodiles by a state government-backed warning system using sonar ...

They have started in the Hawkesbury River and will work their way to the Queensland border More than 6,800 cubic metres of flood debris has been removed from shorelines since March The NSW Environment ...

A thin coating of a rubbery material could make submarines more difficult to detect with sonar. Sonar locates submarines by emitting sound at many different frequencies. Those sound waves reflect off ...

AI search engine Perplexity says its latest release goes above and beyond for user satisfaction -- especially compared to OpenAI's GPT-4o. On Tuesday, Perplexity announced a new version of Sonar, its ...