The Mechanical Forces of T Cells (IMAGE) Emory Health Sciences Caption A 3-D rendering of a fluorescence image maps the piconewton forces applied by T cells. The height and color indicates the magnitude of the applied force. Credit Microscopy image by Yang Liu, Emory University. Usage Restrictions Must include credit. License Licensed 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.