EPISODE · May 19, 2014 · 27 MIN
Alf Adams
from Discovery · host BBC World Service
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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