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The submarine designed by the Spanish inventor Narcís Monturiol was a pioneering work in...
A Zeppelin is a type of rigid-framed airship.
As a milestone in the history of aviation, Oszkár Asboth´s first helicopter made its...
The changing bicycle, at first mocked as a toy, is a true mirror of the technical...
Robert Fulton American engineer created the first operational steam-powered ship.
This animation demonstrates how lifts work.
This animation demonstrates the construction of motorcycles.
We can travel on dual carriageways on the motorway.