3D-printed auxetic sensors enable advanced wearables with high sensitivity


 Engineers at University of Glasglow have developed 3D-printed "auxetic" sensors—plastics printed with a specific honeycomb-like pattern that gives them unique mechanical properties. Unlike traditional sensors that require expensive embedded wiring or electronics, these plastics act as sensors themselves.

When the material stretches or compresses (common in wearable monitoring), its electrical resistance changes in a predictable way, allowing it to measure strain and movement directly. This "self-sensing" capability means future medical wearables, such as smart bandages or motion-tracking braces, could be printed cheaply in a single piece, making advanced rehabilitation monitoring accessible to low-resource settings.

Read the original article at: https://interestingengineering.com/innovation/3d-printed-auxetic-sensors

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