In Pictures: She's gonna blow! 10 Star Trek technologies that are almost here

Warp drives, teleporters, helpful holograms - the new frontier is a lot closer than you might think

Star Trek tech No. 6: Helpful holograms Star Trek: Voyager's The Doctor was efficient, dryly sarcastic, and refused to make house calls. Why? Because, as a 3D hologram, he was confined to the four walls of sick bay. (Well, mostly.) The Doc's fleshless forebears are already at work today guiding travelers through international airports in New York, D.C., and London. Airus Media's Advanced Virtual Hologram Assistant (AVA) uses projectors and biped-shaped glass screens to display 3D human avatars; future versions will be able to recognize speech and respond to questions. And yes, they also make a virtual doctor (pictured). Now please state the nature of your medical emergency, then turn your head and cough.

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