Special Ink Could Allow Flexible Camouflage

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Making objects invisible has always been one of the most long-lasting motifs of pop culture. Camouflage caps, magical cloaks, or futuristic shields suggest a technique that redirects light or other radiation in such a way that an object disappears for observers: inside. In the real world, however, camouflage is not a trick, but a complex physical problem. The decisive factor is not concealing itself, but the targeted control of waves, such as ra…

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In the future, a novel ink based on liquid metal could help to develop flexible cloaks. It can be printed on different materials, remains soft and can be stretched to 120 times its original dimensions – yet retains its electrical conductivity and stability. Correspondingly printed surfaces can redirect electromagnetic waves. In this way, [...] The article Special ink could enable flexible cloaks appeared first on wissenschaft.de.