To make a Harry Potter-style invisibility cloak requires the use of materials that have what's known as a negative refractive index over all optical wavelengths, from red to violet. However, the ...

It's often a case of swings and roundabouts. If you save money by buying a house out of town, you spend more time and money commuting. If you really measure the momentum of an electron, you have no ...

New military clothing designed to hide Ukrainian soldiers from Russian thermal imaging optics and cameras is ready for mass production, a member of the development team has told Newsweek, with the ...

Fugees rapper Pras Michel sentenced to 14 years in prison over illegal donations to Obama campaign US Navy trying to pull crashed aircraft from bottom of South China Sea Border Patrol leaves Charlotte ...