Today’s Spotlight features an illustration, by Mary O’Reilly, of a quantum-dot spectrometer printing filters using liquid droplets.
Instruments that measure the properties of light, known as spectrometers, are widely used in physical, chemical, and biological research. These devices are usually too large to be portable, but MIT scientists have now shown they can create spectrometers small enough to fit inside a smartphone camera, using tiny semiconductor nanoparticles called quantum dots.
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