Flow-induced color (IMAGE) National Institute for Materials Science, Japan Caption Mechanism behind the multi-color imaging of a gas injected into the device. Top (top row) and cross-sectional (middle and bottom rows) views of the device and a gas flowing through it. Credit Kota Shiba National Institute for Materials Science Usage Restrictions None 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.