Droplet of Ionic Liquid with Active Holes (IMAGE) Tokyo Metropolitan University Caption This is a droplet of ionic liquid (Red) with active holes (white holes) in a water-ethanol solvent (Blue). The holes propel themselves inside the IL droplet. Credit Rei Kurita 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.