The great unappreciated weakness of invisibility cloaks is that they only make things invisible to human eyes. Or x-ray imagers. Or ultraviolet sensors, infrared image analyzers, echo-location audio ...
A researcher at the University of Texas at Austin has devised an invisibility cloak that could work over a broad range of frequencies, including visible light and microwaves. This is a significant ...
The bleeding edge: A UK clothing company called Vollebak thinks it has taken the first step toward creating an "invisibility cloak." Working with a professor from the University of Manchester (UoM) ...
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