Follow Slashdot blog updates by subscribing to our blog RSS feed


Forgot your password?

Submission + - The LED is 50 years old (

BoxRec writes: "The light-emitting diode has brightened our lives for half a century — from lighting up the city streets at night, to decorating Christmas trees each December.
The LED started life in October 1962, as a single red illumination in a General Electric research lab in New York state.
Prof Nick Holonyak Jr from the University of Illinois, takes a look back at how it all began with his invention of the first practical visible-spectrum light-emitting diode."

This discussion was created for logged-in users only, but now has been archived. No new comments can be posted.

The LED is 50 years old

Comments Filter:

"Trust me. I know what I'm doing." -- Sledge Hammer