Chinese physicists create illusory, “ghost” invisibility cloak

By Sebastian Anthony on January 22, 2013 at 7:49 am

Chinese physicists have created an illusory, ghosting invisibility cloak — a cloak that changes the appearance of an object so that it looks like something else. In theory, you could cover a soldier with this cloak and make it look like something else — a cactus perhaps, or a dog.

In general, ghost cloaks — which are a type of illusion cloak — have two functions. First they must hide the subject, like an invisibility cloak, and then they must somehow project the image of another object. If you read ExtremeTech, you’ll already know that we’ve made some great strides towards devices that provide some semblance of invisibility — but we’re still a long way from creating the metamaterials required to provide true, three-dimensional, panchromatic invisibility cloaks. Instead, the Chinese physicists decided to skip the invisibility bit, and jump straight to the second step: creating a cloak that projects the image of another object.

Read more: Chinese physicists create illusory, “ghost” invisibility cloak | ExtremeTech.

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