Imagine this: you pull in your driveway after a long day at the office, step out of your car, and suddenly your lawn, yes, your lawn, lights up with a "Welcome Home, Honey!" Or how about this: The military has a runway deep in enemy territory that it wants to keep from getting blown up, so it changes the color of the landing turf to brown to blend in with the surrounding desert. When a plane conies in for a landing, two strips of lights appear. After the plane has landed, with a push of a button the strip reverts to camouflage mode.
展开▼
