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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.

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28 minutes

Last on

Tue 25 Mar 2014 21:30

Jim Al-Khalili - Presenter

Jim Al-Khalili

Find out more about Jim Al-Khalili and listen to his Science Explorer journey.

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