The Samsung Galaxy Note has it, the Motorola Droid Razr has it, and the Nokia Lumia 900 has it, too. But what does it mean exactly when a phone comes with a Corning Gorilla Glass screen? And, more importantly, what makes it so special? Join us as we go behind the screen, literally, and tour a Corning research facility. Although Corning was established in 1851, its Palo Alto research facility has been around for only three years. Here, research and development is conducted for the company's five divisions: telecommunications, life science, environmental technologies, display technologies, and specialty materials.