Robotic needle 2 (IMAGE) Universiteit van Amsterdam Caption A robotic needle sampler selects precise quantities of various reagents and skilfully mixes these to create a reaction solution. Credit University of Amsterdam Usage Restrictions Free to use in the context of this publication License Original 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.