minty3 writes: LEDs are commonly found in TV screens, computer monitors and light bulbs. While the light sources are known to be small, scientists have recently built the thinnest possible LEDS using tungsten diselenide. The nano-sized LEDs are arguably stronger and more energy efficient than their thicker counterparts.
"It says he made us all to be just like him. So if we're dumb, then god is
dumb, and maybe even a little ugly on the side."
-- Frank Zappa