In this photo made Thursday, Jan. 24, 2013, in Chicago, Andreas Linninger, University of Illinois-Chicago professor of bioengineering, chemical engineering and computer science, left, views the brain inside CAVE2. Linninger heads a study that would compare CAVE2 to conventional methods of detecting brain aneurysms and determining proper treatment. CAVE2 is a system's of 72 stereoscopic liquid crystal display panels that encircles the viewer 320 degrees and creates a 3D environment that can take you to the bridge of the Starship Enterprise, a flyover of the planet Mars, or through the blood vessels of the brain. (AP Photo/Charles Rex Arbogast)
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