Superimposing computer graphics on the real world

From The Economist

Superimposing computer graphics on the real world, instead of displaying them on screens, has many potential uses

For some things, it turns out, computer graphics can be much more effective when viewed not on screens, but superimposed on the real world. The technique is known as “augmented reality” (AR) or, less frequently, as “augmented vision”, because the real world is augmented with virtual text or graphics. Much AR technology remains in labs, but research funding in both the private and public sectors is increasing, and all kinds of eclectic and ingenious applications are emerging in fields as diverse as medicine, warfare, manufacturing and entertainment........read more