Add an image as the camera background. Add or create a 3D object and make it move like it belongs in the photo. In short, you ...

A stapler that slides towards your hand before you reach for it. A lamp that tilts forward when you start to read. A chair that quietly adjusts to ease your back. The scenarios sound like science ...

Scientists from the University of Tokyo are bringing us a tiny bit closer to the dream of land speeders and hover boards, employing "acoustic levitation" to make objects move in unprecedented ways.