3 ms·
Video about the history of blue LEDs by veritasium: https://youtube.com/watch?v=AF8d72mA41M https://youtube.com/watch?v=AF8d72mA41M
by SushiHippie 2y ago
Video about the history of blue LEDs by veritasium:
https://youtube.com/watch?v=AF8d72mA41M https://youtube.com/watch?v=AF8d72mA41M