Sure military world is in need of technology that can make them invisible. Technology like this is in the development stage and answer that allows to realize it is a nano-technology. The robe has a total thickness of only 80 nanometers. Composed of magnesium fluoride coating of 50 nano meters, the surface is covered by nanoantena made of very thin gold block 30 nano meters thick and have a variety of sizes. Nanoantena is used to bend the light, so that objects that are covered by this cloak will not be visible. This robe can adjust to the environment. That is just one of the nanotechnology developed for military purposes incognito.
Nanotechnology both created for the purpose of the military is a robot chameleon disguises. The chameleon skin color trying to adjust the color in the environment. Technology like this can be used by the military to disguise with their surroundings. This discovery will continue to be developed, so that one day can be fused perfectly to the surrounding environment. Nanotechnology could one day be blended at vest military defense.
The chameleon robot can produce a color change by utilizing the interaction between nano-scale structures in the electric field. The skin of the robot consists of sheets of glass edge of each sheet of glass there are some holes. Each hole has a diameter of 50 nm, and in it is inserted gold nano. When light hits the gold nano structure, it will make little bumpy electrons, determines how much light is reflected, how much is absorbed, causing the sheets of glass become discolored. But the lack of a robotic chameleon that can only detect basic colors like red, green, and blue, because of the limited ability of current sensors for detecting color.
Hopefully this information is helpful to you.