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Page last updated at 16:26 GMT, Friday, 11 February 2011

Holographic television - the new 3D?

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Television and laptop makers are trying to make 3D displays which can be watched without wearing 3D glasses - the thought being that the glasses may put a lot of people off 3D TV in the home.

But there are rumblings which suggest that 3D may have bigger problems - with holographic TV planned to be its successor.

On a holo-TV, images will be projected into the middle of a room as a "cloud" that can be viewed from every angle without 3D glasses, and manufacturers hope they could go on sale in 2012.

Spencer Kelly took a look at an early prototype.

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