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Film summary
Light can be transported over huge distances via fibre optic cables, losing virtually no information. How is this possible?Key facts
- Fibre-optic cables carry information from our phones and computers as light.
- A laser is used to transfer electrical impulses into light pulses.
- Total Internal Reflection occurs inside the fibre-optic cable.
- It takes a fraction of a second for information to reach its destination.
Transcript
It takes only a fraction of a second to send information around the world, it can carry more than 32,000 telephone calls at once, and it's leading us to an incredibly bright future.
Fibre Optics
Fibre-optic cables use light to carry information all around the world.
But how do they work?
A laser is …
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