Inkjet-Printed Droplet (IMAGE) Shinshu University Caption Inkjet-printed droplet array frozen by liquid nitrogen on a thin glass. Credit Copyright © 2019 National Academy of Sciences 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.