Become a fan of Slashdot on Facebook


Forgot your password?
Check out the new SourceForge HTML5 internet speed test! No Flash necessary and runs on all devices. ×

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This discussion was created for logged-in users only, but now has been archived.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:

New crypt. See /usr/news/crypt.