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This animation demonstrates how sonar works.
Robert Fulton American engineer created the first operational steam-powered ship.
From the 1940s, the increasingly large aircraft carriers became the masters of the oceans.
The Tesla Model S is one of the first commercially available electric cars.
As a milestone in the history of aviation, Oszkár Asboth´s first helicopter made its...
This animation demonstrates the equipment of a police patrol car.
The Wright Flyer was the first successful powered, heavier-than-air aircraft, designed...
The legendary M61 class locomotives of the Hungarian State Railways were manufactured by...