KAIST Develops a Venus Flytrap-Inspired ‘Robot Hand’ Material That Senses Objects and Grasps Them Under Light (IMAGE)
Caption
Figure 1. Design and operating principle of the low-power, bioinspired Ionograsper.
(a) How a Venus flytrap senses and captures prey. (b) Comparison of how conventional actuators and the Ionograsper move and how much power they use. (c) How the Ionograsper senses an approaching object without touching it, through the rearrangement of ions. (d) Operating cycle of the Ionograsper: it senses an object, moves when UV light is applied, and then returns to its original shape on its own. (e) Molecular structure of the azo gel and how its ionic network forms. (f) Bending in two directions during and after UV exposure. (g) Comparison of the power that the Ionograsper and previously reported soft actuators use, and how long each holds its actuated shape.
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KAIST
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