Different Bacteria Torques (IMAGE) Imperial College London Caption These are three bacterial motors with different torque (units of torque are piconewton nanmometres, pN nm). Credit Morgan Beeby/Imperial College London Usage Restrictions None 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.