Ships

Ships can become mobile wave energy converters, say Chinese researchers, using "heaving oscillators" that draw power from heaving, rolling and pitching movements as they move through the sea, while also acting as motion dampers to improve safety.

Japanese company PowerX is moving ahead with its strange plan to build a "mobile power station" in the form of a 140-meter (460-ft) electric "battery tanker," which will carry 241 megawatt-hours of renewable energy across the sea over short distances.

The China State Shipbuilding Corporation has delivered its MSC Tessa megaship to the Mediterranean Shipping Company. With a deck area of about four football fields, it's capable of loading up to 24,116 TEU containers at a time, stacked up to 26 deep.

Having already rolled out the world's first ammonia-fueled tractor and the world's first ammonia-fueled semi truck, Brooklyn company Amogy has now got hold of a 1957 tugboat, and plans to have the world's first ammonia-powered ship sailing this year.

While luxury travel firm Orient Express is best known for its train excursions, it's now branching out into cruises … in a big way. The company has just unveiled what will reportedly be the world's largest sailing ship, the Orient Express Silenseas.

Tasmanian builder of high-speed catamaran ferries Incat has announced that it's aiming to deliver the world's largest battery electric passenger ferry to Argentina-based operator Buquebus by 2025.

Many readers will already be familiar with so-called narco subs, used to smuggle narcotics from South America into Florida. Well, according to a new study, the design of such watercraft could actually have some practical applications.

The first of the Royal Navy's Type 26 City Class frigates, HMS Glasgow, has begun a very slow launch, which will see it shifted onto a special barge before being slowly lowered into the water in an operation that will take days.

As the shipping industry moves to decarbonize, huge sails could be making a comeback. The China Merchant Energy Shipping company (CMES) has taken delivery of a new supertanker, whose four large sails will cut down average fuel consumption by nearly 10%.

The construction of America's next-generation strategic nuclear missile submarine has formally begun as the keel was ceremonially laid for the future USS District of Columbia (SSBN 826) at Electric Boat's facility in Quonset Point, Rhode Island.

The US Air Force Research Laboratory (AFRL) has demonstrated the ability of air-dropped bombs to sink ships with the effectiveness of a submarine-launched torpedo at a fraction of the cost by sinking a full-scale vessel in the Gulf of Mexico.

Norway-based marine group Ulstein has introduced Thor, its concept design for a 149-m (489-ft) replenishment, research and rescue (3R) ship powered by a thorium Molten Salt Reactor (MSR) that can be used to recharge battery-driven cruise ships at sea.