A wind turbine is a device that converts the wind’s kinetic energy into electrical energy.
invented by Léon Bouly
Cinematograph or Kinematograph is an early term for several types of motion…
invented by John Walker
A match is a tool for starting a fire. Typically, matches are made of small…
invented by Joseph Henry
A relay is an electrically operated switch. It consists of a set of input…
invented by Robert Bunsen
Chemical vapor deposition (CVD) is a vacuum deposition method used to produce…
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Inventions that changed the world
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