Your pervy, Harry Potter-fueled dreams are edging closer to reality, now British scientists have used metamaterials to bend light in a different manner to previous attempts. Now, it works with a ...

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 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 ...