I've recently heard about this new material called Quantum Stealth which is suppost to be a replicate of Harry Potter's 'Invisibilty cloak' . Apparently the material, bends light waves around a target which allows complete invisibility. Is all this true?
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In the recent development of Metamaterials allows some configuration when invisibility of an objects can be achieved for certain range of wavelengths. The initial development focused for microwave and infrared ranges. There are results for visible range as well. So we are in a very early stage but it is very unlikely that on can achieve invisibility effect for broad range of wavelengths.
Ferenc Szalai
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