By all accounts, it should have looked like a magic trick. A small cube floated above a table, shimmering faintly as a person reached out. With a gentle pinch of thumb and forefinger, the cube spun in ...

Remember the scene in Iron Man 2 where Tony Stark rediscovers a new element and is handling virtual 3D holographic elements ...

Unlike existing volumetric displays, this system lets people grab, rotate, and move virtual objects using their hands, just ...