Researchers build 'perfect' invisibility cloak

Duke University scientists say they've succeeded for the first time in building a truly effective invisibility cloak.

'Invisibility cloak' could hide buildings from earthquakes

A team of British mathematicians has developed a theoretical design for a Harry Potter style ’cloaking’ device which could protect buildings from earthquakes.

Cloaking device hides objects using mirage (video)

Scientists have created a working cloaking device that can be switched off and on and which hides an object by creating a mirage.

Team builds working 'temporal cloak'

A team at Cornell University has succeeded in actually building a 'temporal cloak' which makes events invisible.

Invisibility cloak hides underwater objects from sonar

University of Illinois researchers have developed an acoustic cloak, making underwater objects invisible to sonar and other ultrasound waves.

Scientists tailor metamaterial invisibility cloak

Scientists at Purdue University have developed a metamaterial consisting of fishnet-like film that could theoretically be spun into a working "invisibility" cloak.

Microsoft preps Halo Reach beta launch

Microsoft is poised to launch its Halo Reach multiplayer beta for the Xbox 360.