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History Blog

Posts tagged computer
American Revolution Technology

The American Revolution, which took place from 1775 to 1783, was a war fought between Great Britain and its thirteen North American colonies, which eventually declared themselves the independent United States of America. During this period, several technological advancements and innovations played a role in shaping the course and outcome of the conflict. Here are some key technological aspects of the American Revolution

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The First Semiconductor

The first semiconductor device is generally considered to be the point-contact diode, also known as the "cat's whisker" diode, invented by Jagadish Chandra Bose in 1899. This early semiconductor device was made using a semiconductor material (typically a mineral called galena) and a metal point contact. It allowed the flow of electric current in only one direction, making it a rudimentary rectifier.

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