How many Nobel Prize-winning physicists did it take to invent the LED lightbulb?

Grist
By Sam BlissOct 7, 2014, 7:05 pm86 pts
In the early 1990s, three physicists figured out how to make white light with a tiny fraction of the energy required to power a standard incandescent bulb. Now they’ve got a Nobel Prize in physics to show for it. Light-emitting diode lamps, or LED bulbs, are revolutionizing the way we illuminate the world…

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