Invention
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An invention is a unique or novel device, method, composition, idea, or process. An invention may be an improvement upon a machine, product, or process for increasing efficiency or lowering cost. It m
'BUILD YOUR OWN TELEVISION RECEIVER.' Science and Invention magazine cover, November 1928
Alessandro Volta with the first electrical battery. Volta is recognized as an influential inventor.
Thomas Edison with phonograph. Edison was one of the most prolific inventors in history, holding 1,093 U.S. patents in his name.
Johannes Gutenberg's printing press was voted the most important invention of the second millennium.
William Kennedy Dickson
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William Kennedy Laurie Dickson was a British-American inventor who devised an early motion picture camera under the employment of Thomas Edison.
Dickson, c. 1898
