by the BBC
Technology that could lead to the creation of glasses-free 3D films at cinemas has been developed by researchers in South Korea. It uses a barrier with slats so that when a viewer looks at the screen each of their eyes sees the image differently. As a result their brain creates an illusion of depth. TV makers have tried to use a similar approach, but require viewers to be in a particular spot to see a 3D image. This would not be possible in a cinema where the audience needs to be able to watch the screen from a wide variety of angles. The study was carried out at Seoul National University and appears in the journal Optics Express.
http://www.bbc.com/news/technology-19333872
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