Directing the flow (VIDEO) Stanford University School of Engineering This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption The top video shows droplets in a microfluidic chip colliding and breaking up as they exit a funnel. Each breakup represents a spoiled experiment. In the bottom panel, a 'traffic circle' forces droplets into an orderly line, minimizing breakups and making the overall system more efficient. Credit Video by Alison Bick. Usage Restrictions With attribution 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.