Active camouflage or adaptive camouflage is camouflage that adapts, often rapidly, to the surroundings of an object such as an animal or military vehicle. In theory, active camouflage could provide perfect concealment from visual detection.
Active camouflage is used in several groups of animals, including reptiles on land, and cephalopod molluscs and flatfish in the sea. Animals achieve active camouflage both by color change and (among marine animals) by counterillumination.
In military usage, active camouflage remains at the research stage. Counterillumination camouflage was first investigated during the Second World War for marine use. Current research aims to achieve crypsis by using cameras to sense the visible background, and by controlling panels or coatings that can vary their appearance.
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Famous quotes containing the word active:
“Women have acquired equal place to man in society, but the double standard has really never been relinquished; certainly not by men. Modern man’s fear of passivity or of the active woman proves to be as eternal as modern woman’s struggle to come to terms with her femininity.”
—Peter Blos (20th century)