Lit Tree is an augmented-reality project which lets you use hand gestures to interact with an illuminated tree. Usually, a projector emits a field of pixels, creating a flat image on a flat surface. Lit Tree uses two projectors to emit a field of voxels, or 3-D pixels, onto a bamboo tree. A Kinect scans...

On Friday, Cooper-Hewitt opens “Recent Acquisitions: Digital Typography,” a new installation of five recently acquired graphic works that explore post-modernist trends in typography. On view will be examples of lively and expressive type fonts developed by designers as a counterpoint to modernism’s rigid and impersonal sans serif type. Below, curator Gail Davidson explains the typographical...