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Mark Miodownik describes how optical fibres work. He sees how they were developed in medicine and dentistry in order to transmit an image from within the body to the surgeons operating from the outside. Mark explains, using an animation, how optical fibres are able to transmit light over great distances, and demonstrates how total internal reflection can bend light around a corner.
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First broadcast:
11 May 2012

Classroom Ideas

After watching the clip, the students could be paired up and time each other talking about the clip for one minute. They must discuss the key points raised and the pairs can rate each other’s monologues.

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