Forget red & green! This video dives into the science behind the revolutionary blue LED and the man who made it possible: Shūji Nakamura. See how his invention changed the world and lit the way for a brighter future.

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Chapters:
00:00 Introduction
00:46 So before we get into Blue LED, what would win the tech giant race: innovation, business tactics, or alliances?
01:37 let's take a step back and understand why regular light bulbs are so inefficient.
03:08 Nakamura's journey was far from over
04:43 The question now was what material to study
06:09 The next challenge? Making gallium nitride emit light efficiently
07:19 Nakamura made another adjustment and finally had the right recipe
08:35 Outro

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About Video:
In the 1960s, red and green LEDs were invented, but the elusive blue LED remained a challenge. Shūji Nakamura, a researcher at a small Japanese company, defied the odds to develop it.

Nakamura believed in gallium nitride as the key material, while others favored zinc selenide. He overcame many obstacles, including resistance from colleagues and a new company leader who shut down his project.

Nakamura secretly continued his research and developed a new reactor design to create superior gallium nitride crystals. He also discovered a simpler way to make the material emit light efficiently.

By 1992, Nakamura had a brilliant blue LED, revolutionizing lighting technology. Today, LEDs are widely used for their energy efficiency and long lifespan. Nakamura's perseverance led to a world-changing invention.

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