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What are standing waves?
Demo showing how you can see standing waves and why these matter for communicating with optical fibres.
Added: July 2020.
Suggested age range: 11+
Questions and answers
If you've got any questions about this video, please email computerscience@bt.com and we'll answer them here...
Curriculum links
Data and information   »   Representation   »   Digital representation of sound
Computer Networks   »   Networking hardware   »   Network hardware devices
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