Frequency modulation (FM) is a method of encoding information onto a carrier wave by varying its frequency.

Guglielmo Marconi was an Italian inventor and electrical engineer who is widely credited with the development and implementation of long-distance radio transmission.

Hedy Lamarr was an Austrian-born American actress and inventor, best known for her glamorous Hollywood roles in the 1930s and 1940s.

IEEE 802.

Nikola Tesla was a Serbian-American inventor, electrical engineer, mechanical engineer, and futurist.

A satellite is an object that orbits another object in space.

Telecommunication is the exchange of information over a distance using electronic means.

World War I, also known as the Great War, was a global conflict that took place between 1914 and 1918.