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-da...

The blue LED was supposed to be impossible—until a young engineer proposed a moonshot idea.

  • oce 🐆English
    1·
    11 months ago

    Not saying those will change anything but I’m pretty sure there was people saying the same as you about electricity, radio, phone and the internet.