Bicycle was invented in 1817 by ?
Correct answer: D. Karl von Drais
- A. Robert Alberta
- B. Mac Milan
- C. Roger Blair
- D. Karl von Drais
Explanation
Karl von Drais demonstrated the earliest commercially successful two-wheeled bicycle, or draisine, in 1817. The machine had no pedals, but it established the basic bicycle design.
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Inventions and Discoveries covers the people, dates, principles and practical uses behind developments such as the wheel, printing press, telephone, electricity, radio, computer, internet, vaccines and space technology. It distinguishes an invention, which creates a device or process, from a discovery, which identifies something already present in nature.
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