A study published in Engineering provides a comprehensive review of actuation and locomotion methods for miniature underwater ...

Despite being engineered to operate underwater, the Dolphin's top speed was hampered by its hull, propulsion system, and other factors. That's why some older diesel-electric subs are usually ...

The imagery was captured with long-exposure photography. SAN FRANCISCO – Miles Space has demonstrated a water-fueled electric thruster with unusually lower power demands. “We have a water ...