SAN FRANCISCO--Intel is trying to see if millions of tiny robots can work together to create a coffee cup, or a model of a truck. Intel's lab in Pittsburgh, affiliated with Carnegie Mellon University, is showing off a technology concept at the Intel Developer Forum here this week called Dynamic Physical Rendering, which could ultimately lead to a shape-shifting fabric.Apply the right voltage and software program and the flat piece of fabric turns into a 3D model of a car. Change those parameters and it transforms into a cube. Dynamic Physical Rendering has grown out of the ongoing Claytronics project...