3D and me!

The time of red/blue 3D is likely coming to an end as 3D film making has gotten a digital makeover. New technologies and adaptations of old technologies are paving the way for scores of 3D films in the next few years, and 3D is making it’s way into our living rooms already.(http://www.flickr.com/groups/anaglyph/ )The way it used to be, is being replaced. The previous technology? Red- blue or sometimes red/green 3D movie. Again based upon the ability of our eyes to see two slightly different images, two images are simultaneously displayed on the screen, one in red and the other in blue (or green as the case may be). The colored lens glasses then only allow the images of one color to pass into each eye: Red light is perceived by the eye with the blue lens and blue light is perceived by the eye with the red lens. While this method is effective in presenting fun 3D gags like the Chinese yo yo, a spring-loaded punching glove, or a baseball flying toward the audience, the color effects can be rather irritating when trying to view a color movie. That's where polarization comes in.(tecca.com)
For motion pictures, the traditions of stereoscopy were adapted to more theater-friendly techniques. The one we are probably most familiar with is the
Filmed in the same way as any other 3D image or film, with two cameras, slightly offset, the
So as far as 3D technology goes, the new stuff is eliminating headaches across america (and other countries of course) one pair of polarized poly-carbonate(plastic) lenses at a time. Hopefully when the time comes for a newer and better technology to arise, they’ll find a way to make 3D glasses that fit over previous prescription lenses. It’s a problem that I seem to have each time I go to a movie in 3D, those plastic ones slip off my nose because my prescription ones are in the way underneath them. Oh well, its an idea for any amateur inventers out there! RealDsystem is the current forerunner of 3D motion pictures. RealD Cinema requires only one projector, but unlike a traditional film, RealD is projected at 144 frames per second. To put things in perspective, a normal movie is shown at 24 fps, one sixth the rate of RealD. The system relies on the push-pull electro-optical modulator (yeah, I know) invented by Lenny Lipton, the writer of the lyrics to Puff the Magic Dragon. The ZScreen developed by Lipton allows for circular polarization. This simply means that the images that make up the film can be projected from a single source and the effect of separated images and double imaging, created by linear polarization, is eliminated. With the RealD system a single "time" of film, the two images that comprise one moment during filming, is projected three times. With the polarizer in place, this means that for each frame filmed, your eyes get alternating views of the frame three times each, thus accounting for the 144 fps rate of projection.(tecca.com)