New Strain Sensors Offer Unprecedented Combo of Sensitivity and Range (IMAGE)
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Researchers at North Carolina State University have developed a stretchable strain sensor that has an unprecedented combination of sensitivity and range, allowing it to detect even minor changes in strain with greater range of motion than previous technologies. The new sensor consists of a silver nanowire network embedded in an elastic polymer. The polymer features a pattern of parallel cuts of a uniform depth, alternating from either side of the material: one cut from the left, followed by one from the right, followed by one from the left, and so on. This feature – the patterned cuts – is what enables a greater range of deformation without sacrificing sensitivity.
Credit
Shuang Wu, NC State University
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