Anger (image) Ecole Polytechnique Fédérale de Lausanne Caption The device detects anger on the driver's face. Credit EPFL-LTS5 & PSA Usage Restrictions no commercial use. 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.