As one of four fundamental forces in nature, magnetism is virtually everywhere in the world. Many technologies—hard drives, ...

For nearly 20 years, physicists and engineers have chased the idea of invisibility. Early efforts focused on hiding objects from light using so-called metamaterials with extreme and often unrealistic ...

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’ ...

Lately, it seems like you can't click on a handful of links on the internet without running into some kind of prototype invisibility cloak. Though this device can now be added to that list, it's more ...

WASHINGTON, April 19–Invisibility cloaks are seemingly futuristic devices capable of concealing very small objects by bending and channeling light around them. Until now, however, cloaking techniques ...

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 ...