Imagine: sharing a secret with a friend by touching your finger to her ear; rubbing a book’s page to reveal a hidden message; feeling the texture of a mountain range on a flat computer screen; or sensing the fluttering of a digital butterfly’s wings against your skin.

These fancies have been made into realities at Disney Research, Pittsburgh, one of six labs in a network. “Science at Play” is the network’s tagline, and the innovative technologies coming out of Pittsburgh’s lab are playful. —In Pittsburgh, science gets playful – Pittsburgh Post-Gazette.