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Top Story

Engineers develop flexible skin that traps radar waves, cloaks objects

Iowa State University engineers have developed a new flexible, stretchable and tunable “meta-skin” that uses rows of small, liquid-metal devices to cloak an object from the sharp eyes of radar. The meta-skin takes its name from metamaterials, which are composites that have properties not found in nature and that can manipulate electromagnetic waves. By stretching and flexing the polymer meta-skin, it can be tuned to reduce the reflection of a wide range of radar frequencies. The researchers hope one day the meta-skin could coat the surface of the next generation of stealth aircraft.

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