Fig. 7: Flow-assisted contact-free object transport.
From: Microrobot collectives with reconfigurable morphologies, behaviors, and functions
a Qualitative demonstration of flow around micro-disks when the collective is rotating. Green and blue lines were extracted using edge detection (see Supplementary Movie 10 for the unprocessed video). b Collective rotates to guide a purple ball to the bottom right-hand corner. c Collective rotation guides a ball around the perimeter of the arena by using the arena design. The brightness of the images in (a–c) is enhanced using photoshop for better visualization. The symbols on top of the sub-images in (b, c) represent the mode the collective exhibits. These symbols correspond to those shown in Fig. 1a. The sub-images in (b, c) are labeled at the bottom with the function that the collective performs.
