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Figure 9. (A) Fabricating process of the AgNW-BC/PDMS bimodal platform. (B) Cross-sectional SEM images of AgNW-BC fiber, the enlarged inner porous structure of which is shown in (C). (D) Stress-strain curve of AgNW-BC fiber. (E) Threaded AgNW-BC fiber (left) impaled on cloth (right). (F) A choker sensor responding to the pronunciation of “melody”. (G) Schematic scenario of touchless sensing of a single sensor. (H) Real scene of a touchless piano, played with one hovering human finger. (A-H) Reproduced with permission[58]. Copyright 2020, ACS.