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What is total internal reflection?
A demo showing how total internal reflection makes communicating with optical fibres work.
Suggested age range: 11+
Questions and answers
If you've got any questions about this video, please email stemexpert@bt.com and we'll answer them here...
Curriculum links
GCSE to A level transition   »   Networking   »   Network Hardware
Data and information   »   Number bases   »   Data storage
Computer Networks   »   Networking hardware   »   Network hardware devices
Computer Networks   »   Communication   »   Types
Computer Networks   »   Communication   »   Characteristics of transmission
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