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 ...

Do we really need invisibility cloaks like the one Harry Potter uses at Hogwarts to move around undetected? Apparently, we do. At least two projects are studying materials that can hide the objects ...

Magnetic invisibility sounds simple in theory. Place the right materials around an object and magnetic fields flow around it as if nothing were there. Reality has been far messier. For nearly two ...

Most invisibility cloaks under development actually make objects more visible overall, not less, scientists have revealed. This novel finding points to ways researchers can develop better invisibility ...

(Nanowerk News) The first functional "cloaking" device reported by Duke University electrical engineers in 2006 worked like a charm, but it wasn't perfect. Now a member of that laboratory has ...

Invisibility cloaks and superlenses could be improved by taking a page from the digital playbook, two scientists contend September 14 in Nature Materials. Their method, inspired by the 1s and 0s of ...

Hospitals, power grids, aerospace systems, and scientific laboratories all host extremely sensitive technologies that allow the facilities to do what they need to do—as long as no pesky, unwanted ...