Science is moving us toward a real invisibility cloak centimeter by centimeter, like a Harry Potter fan steadily re-reading the original series.
The latest advancement comes from scientists in Texas who developed an ultrathin "metascreen" cloak. Similar to other cloaking advancements, this one successfully hid a 3-D object from microwaves - but not yet from visible light.
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You might remember the group from Duke University that was able to hide a tiny three-inch-long rod from microwave radiation last year using metamaterials. They used a specially designed diamond-shaped device to achieve the effect.
Metamaterials are man-made materials that can bend light, sound, and other waves in unnatural ways. This time, however, scientists in Texas hid a seven-inch-long cylindrical rod using what they're calling a "metascreen" – a mantle they made by attaching incredibly thin copper tape to a flexible polycarbonate film in a fishnet design.
This mantle cancels out light (in this case microwaves) as they scatter off the cloaked object - rendering them invisible to the eye.