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(a) Photograph of a prosthetic hand arm-wrestling with an adult woman. Graph (b) displays the temperature and pressure mapping profiles of pixel signals on the back of the prosthetic hand. Graph (c) shows an e-finger touching an ice cube. The inset shows the optical microscope image of the inkjet-printed MFSOTE matrix. Scale bar, 1 mm. (d) Photograph temperature and pressure mappings of the sensing array.
