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Episode details

World Service,19 May 2014,26 mins

Alf Adams

Discovery

Available for over a year

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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