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
Fler avsnitt av Discovery
Visa alla avsnitt av DiscoveryDiscovery med BBC World Service finns tillgänglig på flera plattformar. Informationen på denna sida kommer från offentliga podd-flöden.
