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Seeing the invisible: tiny crystal films could make night vision an everyday reality

By Rocio Camacho Morales, Postdoctoral fellow, Australian National University
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It’s a familiar vision to anyone who has watched a lot of action movies or played Call of Duty: a ghostly green image that makes invisible objects visible. Since the development of the first night-vision devices in the mid-1960s, the technology has captured the popular imagination.

Night vision goggles, infrared cameras and other similar devices detect infrared light reflected from objects or rather detect infrared light emitted from objects in the form of heat. Today these devices are widely used not only by the military, but also by law enforcement and emergency services, the security…

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