In Pictures: Best of CeBIT 2010

Researchers chase 3D without the glasses: At CeBIT 2010, engineers are showing a new breed of screen that projects a 3D image towards the viewer's eyes so glasses aren't required. Glasses are traditionally used to select which of two images each eye sees, allowing the right eye to see one and the left eye the other using either colour filters or shutters synchronised with the screen. In the new displays, the separation is done by a panel consisting of tiny lenses that sits in front of the screen. Sunny Ocean Studios has developed a panel that can be fitted to a standard display, sending out a stereoscopic image to 64 positions around the screen. A similar panel has been developed by Germany's SeeFront, but it projects an image to a single point. Perhaps the most impressive system was a screen from Germany's Fraunhofer Institute (pictured). It has a panel of narrow, cylindrical lenses in front of the screen, which divide the two images that are reproduced and direct one to each eye. Additionally, infrared cameras above the screen watch out for hand gestures. Users can manipulate objects on screen and control software without actually touching the screen.

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