Testing is being done on the Barracuda UUV shown here. (Raytheon) Raytheon recently conducted tethered autonomous tests on its Barracuda unmanned underwater vehicle (UUV) as the company prepares ...

Scientists have developed a battery that uses seawater as the catholyte. Click here for a high-resolution image. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news ...

More information: Ji Hwan Hong et al, N-doped carbonized lignin for electrocatalysts in seawater batteries, Chemical ...