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Episode 5

On the 50th anniversary of the invention of the laser, Jem Stansfield explains how they work and builds himself one. Dallas Campbell looks at the rise of Citizen Science.

On the 50th anniversary of the invention of the laser, Jem Stansfield explains how they work and builds himself a homemade one. Dallas Campbell looks at the rise of Citizen Science and takes part in the research projects that need people power. And Dr Yan recreates a demonstration to calculate the speed of light. The programme is co-produced with the Open University. For more ways to put science to the test, go to www.bbc.co.uk/bang and follow the links to The Open University.

30 minutes

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Credits

Role Contributor
Presenter Liz Bonnin
Presenter Liz Bonnin
Presenter Dallas Campbell
Presenter Dallas Campbell
Presenter Jem Stansfield
Presenter Jem Stansfield
Presenter Yan Wong
Series Producer Paul King
Series Producer Paul King
Series Editor Dermot Caulfield

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Find out more with The Open University

Visit the OU website.