Robot whiskers sense shapes and textures
Artificial whiskers that mimic the way rats and seals sense their prey might one day let planetary rovers or uncrewed submarines explore the shape and texture of strange objects they encounter on their travels.
So says Joe Solomon and Mitra Hartmann at Northwestern University in Evanston, Illinois, who have developed delicate artificial whiskers - in both steel and plastic - that can accurately sense different shapes and textures.
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