How does an LED light change when dipped in liquid nitrogen? 💡 Museum Educator Adelaide plunges an LED into liquid nitrogen and watches its color shift from orange to yellow to green. Temperature affects the LED’s “band gap,” the amount of energy electrons need to jump across the material and create light. As the LED cools, the energy gap increases, and the light shifts to higher-energy colors. When it warms back up, it turns to orange again. #Chemistry #ScienceExperiment #Light #LiquidNitrogen
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