Physicists seek to put one thing in two placesSept. 25, 2006 Special to World Science Physicists say they have made an object move just by watching it. This is inspiring them to a still bolder project: putting a small, ordinary thing into two places at once. It may be a “fantasy,” admits Keith Schwab of Cornell University in Ithaca, N.Y., one of the researchers. Then again, the first effect seemed that way not long ago, and the second is related. The gray sliver reaching from top to bottom, slanted in the image, is a nanomechanical resonator, a sub-microscopic device...