Tiny chip brings advanced spectral sensing to everyday devices

Imagine a smartphone that can check for spoiled food, detect counterfeit drugs, or even diagnose diseases. This futuristic vision is becoming a reality thanks to a tiny, powerful sensor developed by researchers at Aalto University in Finland. The breakthrough technology, described in Science Advances, brings advanced spectral sensing—once limited to bulky, expensive lab equipment—into a […]

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Tiny chip brings advanced spectral sensing to everyday devices

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