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Scientists have designed a skin-like electronic device that could be worn or implanted, tracking a user’s health and diagnosing diseases. In the future, this device could constantly check how someone’s body is doing, find out if they’re sick, and give them treatments that work.

The device works by embedding over 2,500 sensors and transistors into an area the size of a postage stamp, offering sensitivity that exceeds human touch and is capable of detecting detailed tactile information.

Can Wu, a researcher at Stanford: “For biomedical applications, a high-density, soft, and conformable sensing array could allow us to sense human body signals, such as from our brains and muscles, at a large scale and fine resolution. This could lead to next-generation brain-machine interfaces that are both high-performance and biocompatible.”