How Blue LED Lights Changed The World!

The inventors of blue LED lights recently won a Nobel Prize. What makes this invention so revolutionary? Tara explores the world of LED bulbs. Read More: New light to illuminate the world...

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This episode of DNews is brought to you by “How We Got To Now” with Steven Johnson - premieres Wednesday October 15 at 9/8c on PBS. Three scientists who invented the LED were awarded the Nobel Prize in physics this year. But what have LED lights really done for us? And more importantly, what can do they for the rest of the world? Hey guys, Tara here for Dnews - and in this modern world, it can be easy to take for granted just how much work and research went into developing the things we use every day. Take LEDs, for example. The three scientists who pioneered the LED - or light emitting diode - back in the early 90s, were just awarded the 2014 Nobel prize in physics, which is exclusively awarded to inventions that offer the greatest benefit to mankind. O...
How Blue LED Lights Changed The World!
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