How does it work? - Elevator
This animation demonstrates how elevators work.
The small passenger aircraft is designed for speed, convenience and economical operation.
The Tesla Model S is one of the first commercially available electric cars.
HMS Dreadnought revolutionized battleship-building in the 20th century.
The German engineer Otto Lilienthal was the first person to make successful flights with...
The German triplane was perhaps the best known plane in World War I.
Oil tankers appeared in the late 19th century; today they are among the largest ships.
The double-decked, wide-bodied passenger aircraft can carry more then 500 passengers.
Robert Fulton American engineer created the first operational steam-powered ship.