Resultado da Busca
The invention of radio was a major breakthrough in human communication and drastically changed society. with telegraphy date back to the 1830s, it was Guglielmo Marconi’s 1895 invention of the first practical radio wave transmitter that truly ushered in the radio age. Marconi demonstrated in 1897 that radio signals could be transmitted across ...
Há 2 dias · The Invention Of... Home. Episodes. Galleries. How to Invent a Country. Podcast. Misha Glenny investigates the borders, the histories and the people that make different nations what they are.
15 de nov. de 2023 · Presenting a World Radio Day Minute. Proclaimed in 2011 by UNESCO and endorsed by the United Nations General Assembly in 2012 as a UN International Day, February 13 is World Radio Day… <br /> <br /> Did you know radio is over 100 years old? Actually, radio spans three centuries and two millennia. It emerged in the late 19th century as wireless telegraphy, thrived in the 20th century as the ...
Google Arts & Culture features content from over 2000 leading museums and archives who have partnered with the Google Cultural Institute to bring the world's treasures online.
20 de jul. de 1998 · Guglielmo Marconi (born April 25, 1874, Bologna, Italy—died July 20, 1937, Rome) was an Italian physicist and inventor of a successful wireless telegraph, or radio (1896). In 1909 he received the Nobel Prize for Physics, which he shared with German physicist Ferdinand Braun. He later worked on the development of shortwave wireless ...
13 de fev. de 2024 · A Setback Amidst Progress. The year 1895 marked a pivotal moment in Tesla’s pursuit of radio technology. As he prepared to send a groundbreaking radio signal over a distance of approximately 50 miles (80 kilometers) to West Point, N.Y., tragedy struck. A devastating fire ravaged Tesla’s laboratory, reducing it to ashes.
14 de set. de 2023 · For a while, Marconi’s patents for radio technology were declined by the Patent Office, because they relied too heavily on work from a handful of inventors, including Tesla. However, in 1896, the Office changed its mind and gave Marconi the patent for the invention of radio. Since then, however, decisions have been changed yet again.
