Time Recording Up One's Sleeve (image) Fraunhofer-Gesellschaft Share Print E-Mail Caption Inertial sensors are small and lightweight. Employees wear them in specially made, breathable sleeves that do not impede their movements. Credit Fraunhofer IFF Usage Restrictions The picture may be used for editorial purposes only. It is protected by copyright. The use is free of charge if the reference is mentioned. Share Print E-Mail 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.