Uploaded June 2014 | Updated September 2026, 2 weeks ago
When a yellow LED is dipped in liquid nitrogen it changes color from to green. That corresponds to a change in the band gap of the material. I used an Arduino to make the light blink.
When a yellow LED is dipped in liquid nitrogen it changes color from to green. That corresponds to a change in the band gap of the material. I used an Arduino to make the light blink.










