Ceiling-mounted projectors use radio signals rather than IR (see RF shutter glasses). By supporting 120 frames per second (fps), active 3D glasses deliver the full resolution at 60 fps to both eyes.
Remember when we were all going to the movies wearing Michael Caine's glasses? The promise of 3D cinema never really materialised in the way many had hoped (with some noticeable exceptions), but ...
During our visit to Animal Kingdom, we discovered that the purple 3D glasses used at MuppetVision 3D were also in use at It’s Tough to Be a Bug instead of the usual black bug-themed glasses. It’s ...