Science and fiction always had a chicken and egg relationship: it’s hard to tell which one informs the other. Take invisibility, a fantastical notion brought into popular culture first by HG Wells’ ...

Humans have long been fascinated by invisibility, but practical cloaks today mainly evade radar, not human eyes. New research shows 3D-printed metasurfaces can form flexible invisibility cloaks that ...

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 ...