What is Twin-screw steamer?

Twin keels or bilge keels are two keels that emerge at an angle from the hull of a sailboat , at or near the bilge. The angle allows the boat...

A Robertson screw, also known as a square screw or Scrulox, is a type of screw with a square-shaped socket in the screw head and a corresponding square protrusion on...

In macroeconomics, the twin deficits hypothesis or the twin deficits phenomenon, is the observation that, theoretically, there is a strong causal link between a nation's government budget balance and its...

Twin Cone is a cinder cone in northern British Columbia, Canada. It is thought to have last erupted in the Holocene period.

The biological screw joint is a naturally occurring form of the screw joint, a mechanical device that combines rotational movement with single-axis translation. Alexander Riedel of the State Museum of...

Confucius was an early armed riverboat of the Qing Dynasty, and one of the earliest modern vessels of China.

A twin-fuselage aircraft has two main fuselages. It is distinct from the twin-boom configuration which has a single main fuselage with two subsidiary boom structures. Twin fuselages have been adopted...