IRG1a figure 2 Posted on June 22, 2016June 22, 2016 by Felice Macera ← Previous Next → Fig. 2 (left) Side- and bottom-view polarized optical microscopy images of a Janus droplet. (middle) Floating aligned Janus droplets near an air–water interface. (left) Self-propelled motion of Janus droplets and LC droplets.