Science Interviews

Interview

Tue, 24th Dec 2013

Fairy lights and LEDs

Colin Humphreys, Cambridge University

Listen Now    Download as mp3 from the show Hydrogen-powered Party Poppers

White LEDBlown fairy lights are a thing of the past since the strings of incandescent bulbs used to bedeck Christmas trees have been replaced by LEDs. Cambridge University's Colin Humphreys explains how they work...

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