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Invisibility ‘cloak’ hides objects by making them seem flat

Invisibility ‘cloak’ hides objects by making them seem flat

Invisibility ‘cloak’ hides objects by making them seem flat

Humanity is still some distance away from a real, honest-to-goodness invisibility cloak, but British scientists are that much closer to making it practical. They’ve developed a coating that uses graded refractive index nanocomposite materials (just rolls off the tongue, really) to reduce an object’s electromagnetic signature. Ultimately, it makes curved surfaces seem flat — electromagnetic waves leave almost as if there were no object at all.

Any real-world use is still a ways off, but it wouldn’t just be limited to stealth. It could allow for oddly-shaped antennas or acoustics that work just as effectively as their straight-laced counterparts. Cloaking would just be the most dramatic use of a technology that could help in many, many fields.

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