"3-D TV That Actually Works":

A new line of 3-D televisions by Philips uses the familiar trick of sending slightly different images to the left and right eyes -- mimicking our stereoscopic view of the real world. But where old-fashioned 3-D movies rely on the special glasses to block images meant for the other eye, Philips' WOWvx technology places tiny lenses over each of the millions of red, green and blue sub pixels that make up an LCD or plasma screen. The lenses cause each sub pixel to project light at one of nine angles fanning out in front of the display.

A processor in the TV generates nine slightly different views corresponding to the different angles. From almost any location, a viewer catches a different image in each eye...

The uncanny 3-D illusion stops people in their tracks, as it's meant to...