And we only have blue LEDs due to the sheer stubbornness of Shuji Nakamura. If you haven't already heard the tale of its development, head over here and enjoy:

And we only have blue LEDs due to the sheer stubbornness of Shuji Nakamura. If you haven't already heard the tale of its development, head over here and enjoy: https://www.youtube.com/watch?v=AF8d72mA41M https://www.youtube.com/watch?v=AF8d72mA41M