Senior HTF Member
- Jun 20, 2004
- Real Name
- Richard W
Reported on CNN Tech:
The rest is here:CNN -- Watching 3-D movies generally means suffering through two things: crappy plotlines that favor spectacle over substance and the need to wear some annoying, dorky glasses. Scientists may have solved one of these frustrations. (You might be able to guess which.)
Researchers in South Korea have created a new method that would allow moviegoers to simply sit down and start watching a 3-D movie with no extra gear necessary. The research was published Monday in Optics Express.
"This is essentially the next step that was required for 3-D display technology without glasses," said physicist John Koshel, who studies optical science at the University of Arizona and was not associated with the new work.
We see the world in three dimensions because our eyes are spaced slightly apart, each looking out at a different angle. Your brain combines the information from both eyes, determining where each object in your field of view is to generate depth perception.
To achieve 3-D movies or television, the trick is to send a slightly different, offset picture to each eye. Special glasses handle this task for most modern 3-D blockbuster movies, with each lens only letting in one polarization of light. Polarization describes the direction in which the electromagnetic waves in light oscillate, either up-down, left-right, or something in between.