LEGO Array (IMAGE) Johns Hopkins University Caption A tiny white ball is release into a Lego board with peg pieces, immersed in a tank filled with glycerol to help researchers visualize what happens at nanoscale in microfluidic arrays. Credit Will Kirk/JHU 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.