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Aug 6, 2014 · With this video you can finally learn the scien... Have you ever looked at a radio and wondered how it is able to create the sound from what seems like nothing?
- 2 min
- 80.1K
- ITU
Curious about how radio works? 📻 In this video, we dive into the science behind radio technology, explaining how invisible waves carry music, news, and more...
- 10 min
- 83
- Tech Realm
The Professor describes how a radio works. Specifically, he explains the concept of a carrier frequency and how the radio subtracts the noise from the signal...
- 1 min
- 20.6K
- TheProfessorShow
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\"Radio waves\" transmit music, conversations, pictures and data invisibly through the air, often over millions of miles -- it happens every day in thousands of different ways! Even though radio waves are invisible and completely undetectable to humans, they have totally changed society. Whether we are talking about a cell phone, a baby monitor, a ...
The list goes on and on... Even things like radar and microwave ovens depend on radio waves. Things like communication and navigation satellites would be impossible without radio waves, as would modern aviation -- an airplane depends on a dozen different radio systems. The current trend toward wireless Internet access uses radio as well, and that m...
The funny thing is that, at its core, radio is an incredibly simple technology. With just a couple of electronic components that cost at most a dollar or two, you can build simple radio transmitters and receivers. The story of how something so simple has become a bedrock technology of the modern world is fascinating!
Mar 8, 2022 · The video explains. how a simple radio receiver works to receive the signal, extract the sound information, and amplify it so that it can be heard. Part 2 explains the development of radio technologies from amplitude modulation (AM) to frequency modulation (FM). A major part of Pye’s business in the 20th century was built on radio technology.
Introduction. Radio is a way of sending sounds or other information through the air. The information is carried by invisible radio waves. Radio waves are used for broadcasting, or sending out, radio and television programs. Radar, cell phones, cordless telephones, wireless computer networks, and other forms of communication use radio waves, too.
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Aug 9, 2024 · Kids Encyclopedia Facts. A radio tower. Radio is a way to send electromagnetic signals over a long distance, to deliver information from one place to another. A machine that sends radio signals is called a transmitter, while a machine that "picks up" the signals is called a receiver. A machine that does both jobs is a "transceiver".
