(IMAGE) Saarland University Caption Engineers in Saarbrücken are currently developing smart conveyor rollers that communicate with one another. The drive systems specialist Matthias Nienhaus from Saarland University is collaborating with partners to turn the motor inside every drive roller into a sensor. Credit Oliver Dietze 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.