From science fiction to real-life technology, discover how adaptive camouflage devices could transform the battlefield.
From the main antagonist in the Predator film series to cloaking spaceships in Star Trek, the ability to use technology to hide in plain sight has long been the stuff of science fiction. However, modern technology is inching us closer to realizing bona fide cloaking devices, or active camouflage as it is accurately termed.
Perfected to a certain degree by various animal groups, such an ability could be used to make the perfect concealment for military assets. As far as we know, certain land-based reptiles, fish, and cephalopods have evolved a form of active camouflage that works well to evade predators or sneak up on prey.
Bottom-dwelling flatfish like plaice, sole, and flounder are perfect examples of this strategy. For example, the tropical flounderOver the years, various attempts have been made to achieve similar feats on warships and aircraft. One of the earliest was diffused lighting camouflage, developed and tested on WW2 Canadian warships like theThis system employed lights controlled by photosensors to effectively hide ships from submarines, similar to the bioluminescence strategy of the firefly squid.
They developed a material impregnated with retroreflective glass beads that could render a wearer near-invisible to the naked eye. The system included video and projector equipment that would project the image of the scene behind the material into it, effectively making the material merge into the background.
All are very impressive, but these are not really what most would consider a true “cloaking” field. But the answer may come in the form of metamaterials., a team of researchers made a breakthrough in developing a new algorithm to simulate complex light wave scattering. When combined with metamaterials, this combination could, in theory at least, simulate the capabilities of science fiction-like cloaking technology.
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