Technology Hiding in plain sight

Hiding in plain sight

Harry Potter used one to defeat evil, but could we make a cloak of invisibility without magic?

Researchers at Swinburne University of Technology, The University of Sydney and The Australian National University think so after developing a futuristic film 1000 times thinner than human hair.

It is made from graphene, a recently discovered material so skinny it is described as two-dimensional.

Graphene efficiently conducts heat and electricity and is nearly transparent.

The film made from it by the researchers could be used in solar panels and colour displays among other things.

But its most eye-popping potential application lies in something hitherto believed impossible: ‘invisible cloaking technology’.

Thin, flexible and cheap to produce, the film could wrap around objects, allowing them to be ‘hidden’ via a projected optical display.

It could also have uses in communication devices and the desalination of seawater.

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