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marconi, guglielmo in Science

Marconi

[mär-kōnē]
  1. Italian physicist and inventor who was the first to use radio waves to transmit signals in Morse code across the Atlantic Ocean (1901). Soon after his experiment, he developed shortwave radio equipment and helped establish radio as a widely used medium for communications.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

marconi, guglielmo in Culture

Marconi, Guglielmo

[(mahr-koh-nee)]

An Italian inventor and electrical engineer of the late nineteenth and early twentieth centuries. His most famous invention is the wireless telegraph, the forerunner of present-day radio, which he developed in the 1890s. In 1909, Marconi received the Nobel Prize for physics.

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The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.