Sprayable Strain Sensor

Sprayable Strain Sensor
A spray-on electric coating suitable for irregular surfaces could give robots and prosthetics a nuanced sense of touch.

Developed by a team from KAIST, the coating helps overcome two of the difficulties associated with giving devices tactile sensitivity—covering the complex shape of the surface adequately and creating sensors able to differentiate between stimuli. To that end, the coating can be sprayed onto an irregular surface and then activated, where the “stretchable pressure insensitive strain sensor” will detect stretching but not pressure.

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