Why did the blue LED win a Nobel Prize?
Blue Light's Big Prize
Why did the blue LED win a Nobel Prize?
Light-up colors seem easy. Tap a phone, glance at a billboard, flick on a flashlight — light everywhere. So here's a head-scratcher: in 2014, three scientists won the Nobel Prize in Physics for inventing... the color blue. Not blue paint. A tiny blue light. Why on earth was that worth the world's biggest science prize?
First, what's an LED? Think of it as a crumb-sized chip that turns electricity straight into light. No hot wire, no flame — just a nudge of current, and it glows. They're cheap, they last for ages, and they barely get warm. Engineers fell in love with them decades ago.
