Mixing Speed Affects Quantum Dot Light (image) North Carolina State University Share Print E-Mail Caption Researchers have discovered that the speed of mixing ingredients for quantum dots used in LEDs changes the color of light they emit -- even when all other variables are identical. Credit Milad Abolhasani Usage Restrictions Image credit must be given. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.