Why It Was Almost Impossible to Make the Blue LED

From the creator

The blue LED was supposed to be impossible—until a young engineer proposed a moonshot idea. Head to https://brilliant.org/veritasium to start your free 30-day trial, and the first 200 people get 20% off an annual premium subscription. In 2025, we launched the Elements of Truth game on Kickstarter and were thrilled by the response. We’re now in the final stages of production, with Kickstarter rewards shipping soon. If you missed the campaign, you can now pre-order the retail edition through our new website here - https://ve42.co/BlueLEDs Special thanks to our Patreon supporters! Join this list to help us keep our videos free, forever: https://ve42.co/PatreonDEB Huge thanks to the UC Santa Barbara Materials Dept (https://ssleec.ucsb.edu/) for taking us around. Thanks to Álvaro Bermejillo Seco for reviewing the science. Thanks to these especially helpful sources: Nobel Prize Biography - Shuji Nakamura - https://ve42.co/NakamuraNobel Johnstone, B. (2015). Brilliant!. Prometheus Books. - https://ve42.co/Johnstone2015 Nakamura, S., Pearton, S., & Fasol, G. (2010). The Blue Laser Diode: The Complete Story. Springer. - https://ve42.co/Nakamura2010 ▀▀▀ References: https://www.youtube.com/watch?v=O8M2z2hIbag https://www.youtube.com/watch?v=TGUteH93xNo https://www.youtube.com/watch?v=idwKHQEw78g https://www.youtube.com/watch?v=yoTALRhAqWc Touchstone, L. A. (2022). Nick Holonyak Jr. University of Illinois. - https://ve42.co/Touchstone2022 Perry, T. S. (1995). The Unsung Inventor

Published 2024-02-08 · Watch on YouTube ↗
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