When a cargo weighs thousands of tons, cranes aren't even close to enough, so engineers built ships that simply sink beneath ...

Moving a 9,000-ton destroyer halfway around the world sounds impossible until you realize you can just float it onto another ship. Here's how semi-submersible heavy lift vessels use controlled ...

The experiments indicated that at higher speeds, full-size semi-submersible vessels should be more energy-efficient than conventional surface-going ships. This is due mainly to the fact that semi-subs ...

WindFloat Atlantic – the world’s first semi-submersible floating offshore wind farm – has now been online for three years and continues to break its own power output records. The 25 megawatt (MW) ...

Portugal’s WindFloat Atlantic – the world’s first semi-submersible floating offshore wind farm – is now four years old and still breaking its own power output records. The 25 megawatt (MW) WindFloat ...

China's semi-submersible crane vessel, the Sihang Yongsheng, which has the country's largest lifting capacity, was delivered in Jiangmen, South China's Guangdong Province, on Wednesday, China Media ...

An unmanned semi-submersible vehicle may prove that the best way to travel in water undetected and efficiently is not on top, or below, but in-between. The roughly 1.5-foot-long semi-sub prototype, ...

What looks like a James Bond getaway vehicle and can “fly” underwater? It’s the aptly named Jet Shark. It can be launched and retrieved just like a regular boat, with the unique ability to dip below ...