Consumer & Gadgets

Wearable patch vibrates when it detects environmental hazards

Researchers have created a wearable patch that can detect hazards in the environment—such as dangerous gases or heavy metals in water—and then notify wearers by vibrating against their skin. The researchers have also extended ...

Engineering

Mechanical engineers develop buttons that rise with light

No wires. No actuators. Shine light on the metal surface, and it rises like a button. KAIST researchers have developed a metal structure that changes shape using light, without any light-absorbing coating. This technology ...

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