Use your phone to test whether or not food is fresh, how clean the air is, or if a lump is malignant. This has all come a step closer due to a brand new spectrometer that’s so small that it can be integrated easily and cheaply in a smartphone. The little sensor developed at TU Eindhoven is just as precise as the conventional table-top models used in science labs. The researchers present their invention on 20th December in the journal Nature Communications. Spectrometry, the analysis of visible and invisible light, has a vast range of applications. Everything and every tissue has its own ‘footprint’ in terms of light absorption and reflection, and can thus be recognized by spectrometry. However precise […]
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