fig4

Figure 4. (A) Network of electroreceptors distributed on a ray’s skin for locating nearby prey; (B) schematic illustration of wearable SAER on a hand; (C) image of wearable SAER attached to the hollow of the hand; (D) a person wearing the SAER to perceive spatial information of a dynamic object; and (E) a person wearing the SAER to perceive spatial information of a static object^[117]. SAER: Soft artificial electroreceptor.