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The Wright Flyer was the first successful powered, heavier-than-air aircraft, designed and built...
Types of bridges include beam-, arch-, suspension-, cantilever and truss bridges.
The aircraft manufactured by the British de Haviland company was the world's first mass-produced...
This animation demonstrates how lifts work.
Lighthouses are used as an aid to navigation in coastal waters.
HMS Dreadnought revolutionised battleship-building in the 20th century.
Christopher Columbus' three-masted carrack, the Santa Maria was the flagship of his first,...
The double-decked, wide-bodied passenger aircraft can carry more then 500 passengers.