Scientists in Britain have taken a huge step towards the creation of an ‘invisibility cloak’, as seen in the Harry Potter films.
The scientists have made a light, flexible metamaterial – a material that channels and interupts the flow of light, that would be able to control light flow to render a wearer invisible. The material bounces the light off itself to acheive a specific result. “Typically what you do is stack several layers of fishnet structures and this all together will give you a metamaterial,” says Dr. Di Falco. Scientists around the world have hailed the discovery a ‘huge step forward’. Professor Ortwin Hess reminds us that it ‘isn’t an invisibility cloak yet – but it’s the right step forward’.
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