Machine Learning Reading Facial Expressions (VIDEO) University of Arkansas This video is under embargo. Please login to access this video. Caption Khoa Luu's kids, Sophia and Andrew, demonstrate how the technology works. Credit Khoa Luu Usage Restrictions None. License Original content 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.