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Why It Was Almost Impossible to Make the Blue LED

Veritasium · documentary · Watch on YouTube

Semiconductors & chip manufacturingScientific method & science communicationMaterials science

What it is

Veritasium tells the story of how Shuji Nakamura and others made the blue LED, long thought nearly impossible. It covers the materials challenge of gallium nitride and the persistence it took.

Why Hacker News recommends it

HN recommends it as a gripping story of single-minded persistence against the herd, and as the back story behind modern LED lighting.

  • 10 people recommended it
  • 7 different months
  • 2 strong recommendations
  • first 2024, last 2026

What HN commenters said

  1. “I (and my 6-year-old) really enjoyed this video from Veritasium about the invention of the blue LED.”

    Enjoyed by commenter and their 6-year-old

    waltbosz, 2025-06 · Strong recommendation · in “US Streetlights Are Turning Purple”

  2. “Watch the excellent video made by Veritasium for this back story [1].”

    Back story of the blue LED and GaN

    teleforce, 2026-03 · Strong recommendation · in “In Edison’s Revenge, Data Centers Are Transitioning From AC to DC”

  3. “This one is about someone who just worked harder than everyone else”

    Story of someone who worked harder than everyone else

    swframe2, 2024-02 · Recommendation · in “Ask HN: Slow thinkers, how do you compensate for your lack of quick-wittedness?”

  4. “I found this story facing regarding the inventors determination”

    Inventors' determination in making the blue LED

    ndcator, 2024-03 · Recommendation · in “The invention of blue and purple pigments in ancient times (2006)”

  5. “his recent video about the development of blue LEDs [2] is very interesting as well”

    History of blue LED development

    wernsey, 2024-03 · Recommendation · in “Ask HN: Do you also marvel at the complexity of everyday objects?”

  6. “is goes into great detail on what it took to make the blue LED. It's quite fascinating.”

    Detailed account of what it took to make the blue LED

    zekyl314, 2024-03 · Recommendation · in “Isamu Akasaki’s blue LEDs changed how we light our world”

  7. “If you haven't already heard the tale of its development, head over here and enjoy”

    The tale of Nakamura developing the blue LED

    bcrl, 2024-09 · Recommendation · in “Linear, symmetric, self-selecting 14-bit molecular memristors (2023)”

  8. “I recommend Veratasium's video on blue LEDs,”

    Extreme example of a rebel researcher defying the herd

    btilly, 2024-11 · Recommendation · in “A stubborn computer scientist accidentally launched the deep learning boom”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: blue led, nakamura, gallium nitride, invention, persistence

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