DARPA And GE Look To Butterfly Wings for Better Chemical Sensors -- Popular Science
Researchers at GE Global Research are working with DARPA funding to tap butterfly tech to make a new breed of sensors that could detect everything from explosives, to chemical attacks, to disease biomarkers on a person's breath.
The research team discovered a few years ago that the scales on Morphos butterfly wings have extremely fine-tuned sensing abilities that can pick molecules out of the atmospheric noise. Nano-level structures underneath the colorful scales on the butterflies' wings react to different vapors, changing the spectral reflectivity of the wings depending on what they are exposed to.
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My Comment: What will they think of next?