Wearable patch detects nearby danger

Researchers at North Carolina State University have developed a wearable patch that detects environmental hazards such as dangerous gases and water contaminants. The device alerts users through distinct vibrations directly against the skin, enabling immediate awareness without relying on phone notifications. This tactile warning system aims to improve safety, especially in noisy or hazardous environments, and offers potential applications for both humans and robots in identifying chemical threats.

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