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the past, proving that truly revolutionary scientific work has the
capacity to transcend eras and international boundaries.
Radio and Global Positioning Technology
What is a radio wave, and why is it so important to modern tech-
nology?A radiowave is a formof
electromagnetic radiation
that
conveys information in the form of sounds or
pictures.Aninput
device, such as a microphone, converts sounds into electrical
signals that are carried in wave form. When these radio waves
The Italian inventor Guglielmo Marconi created radio, a key forerunner to communication
advances that have led to today’s wireless world.
Science and Information Technology
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