LEDs: Shining in the dark

50 years ago this month, UI alumnus Nick Holonyak Jr. lit up the world with the light emitting diode — the LED.
[]
So, what is LED?
It’s the traffic light that warns you.
It’s the orange lettering on the MTD bus you’re taking.
It’s the glow of your laptops screen.
[]
Holynyak’s invention pervades the modern world like few other technologies, and DI multimedia reporter Xing Zhuo sought to capture the everyday LED’s in their most brilliant environment: The dark.