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Home > Spark from CBC Radio > 562: The Butterfly Effect, Part 4 - The LED
Podcast: Spark from CBC Radio
Episode:

562: The Butterfly Effect, Part 4 - The LED
Category: Technology
Duration: 00:54:00
Publish Date: 2022-12-16 22:10:00
Description: LEDs, or light-emitting diodes, were first conceived well over a century ago. But it took another half century before they were commercially available, and half a century again before they became ubiquitous. And now they're in everything from our phones to our holiday lights to special effects in film. On a special Butterfly Effect edition, we trace the development of the LED – and ask what might come next. With guests Carrie Meadows, Zheng-Hong Lu and Kevin McGeagh.
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