Episode

Discovery

BBC World Service

Science & Medicine

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Science & Medicine 29

Explorations in the world of science.

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Alf Adams

May 19th, 2014

Episode 370 of 565 episodes

Alf Adams FRS, physicist at the University of Surrey, had an idea on a beach in the mid-eighties that made the modern internet, CD and DVD players, and even bar-code readers possible. You probably have half a dozen 'strained-layer quantum well lasers' in your home. Image credit: Alf Adams, BBC Copyright

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