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Schooners, first built in the Netherlands in the 17th century, were mainly used as merchant ships.
A bireme is a type of ancient warship, with a characteristic pointed bow and two decks of oars,...
The first supersonic passenger airliner entered service in 1976.
This animation demonstrates the construction of motorcycles.
Combining a conventional internal combustion engine propulsion system with an electric...
This animations demonstrates the exterior and interior construction of cars, as well as their...
This animation demonstrates how lifts work.
Oil tankers appeared in the late 19th century; today they are among the largest ships.