LEDs: Light Emitting Diodes (Encore)

Episode • Jul 5 • 15m

One of the most important inventions in human history was artificial lighting.
With the electric lightbulb, the night could be illuminated, allowing people to extend the productive hours in a day and to work in places that were otherwise difficult or impossible.

While the incandescent bulb was a breakthrough, it wasn’t actually very efficient. It wouldn’t be until decades later that a radically more efficient way of producing artificial light would be developed.

Learn more about LEDs or light-emitting diodes and how they work on this episode of Everything Everywhere Daily.

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