Radio Technology

Discover the brilliant life of Hedy Lamarr. This talented film actress became an influential scientist with her invention of a secret radio system in the early 1940s, a building block of today’s wireless communications.

Empire of the Air tells the story of three American visionaries - Lee de Forest, Edwin Howard Armstrong, and David Sarnoff - whose imagination and dreams turned a hobbyist's toy into radio, launching the modern communications age. Tom Lewis weaves the story of these men and their achievements into a richly detailed and moving narrative that spans the first half of the 20th century, a time when the American romance with science and technology was at its peak.

Beyond Powerful Radio is a complete guide to becoming a powerful communicator for radio, Internet, TV, public speaking - anyone who wants to learn to communicate powerfully. It's a cookbook for communicators and broadcasters to improve. It's practical; it's easy. You'll find techniques to create content, produce and host a show, grow an audience, news gathering, coverage of investigative and breaking stories, and writing and delivering commercial copy.

Radio waves aren't just for listening to your favorite radio station! They are used to make GPS receivers and wireless internet work. Scientists use radio telescopes to help them study space. Listeners learn about radio waves and how we use them every day.

This audiobook tells the story of how Philo Farnsworth came up with the idea for electronic television at age 14, and later developed his idea into the technology for television that is still used today.

Already a fan of the wildly successful Finding Bigfoot show on Animal Planet? Stacked with information for your burning questions, this work features a compelling narrative with commentary from the stars of the show, photographs and extras from the Animal Planet's archives, and so much more. Skeptics will be given all the information they need to decide for themselves if they believe, and enthusiasts will revel in this essential Bigfoot audiobook.

Il nome di Guglielmo Marconi - in tutto il mondo - è innegabilmente legato a quello della radio, tecnologia di comunicazione di massa senza fili di cui lo si ritiene uno degli inventori. Marconi fu anche e principalmente un grande imprenditore che fondò importanti aziende di telecomunicazioni grazie alle quali poté sviluppare i suoi più famosi progetti di ingegneria. Visse svariati anni all'estero, soprattutto in Inghilterra, e viaggiò moltissimo tra vecchio e nuovo continente; svolse un ruolo importantissimo durante l'emergenza dei naufraghi della grande tragedia del Titanic.

This essay comes from the NPR series This I Believe, which features brief personal reflections from both famous and unknown Americans. The pieces that make up the series compel listeners to rethink not only what and how they have arrived at their beliefs, but also the extent to which they share them with others.

The Wireless World sets out a new research agenda for the history of international broadcasting, and for radio history more generally. It examines global and transnational histories of long-distance wireless broadcasting, combining perspectives from international history, media and cultural history, the history of technology, and sound studies. Bringing together their knowledge of a wide range of different countries, languages, and archives, the coauthors show how broadcasters and states deployed international broadcasting as a tool of international communication and persuasion.