(Phys.org)—Ideal invisibility cloaks like those in Harry Potter may be physically impossible, a new study shows. The researchers demonstrate that even the best invisibility cloaks can hide an object ...

Once thought of as the province of only "Star Trek" or "Harry Potter," cloaking technologies could become a reality with a specially designed material that can mask itself from other forms of light ...

Inspired perhaps by Harry Potter's invisibility cloak, scientists have recently developed several ways -- some simple and some involving new technologies -- to hide objects from view. The latest ...

The ability to hide an arbitrary object with a cloak at a distance from the object is a unique task in photonics research, although the phenomenon is yet to be realized in practice. In a recent study ...

The very first iterations of phone-based augmented reality simply slapped floating "stickers" in the camera viewer to give the semblance of a 3D object virtually existing in the real world. That ...

In these three thermal images created by Baile Zhang and colleagues, heat is flowing from the hot red region at the bottom to the cool blue region at the top. The image on the left shows how heat ...