In Pictures: Science vs. fiction: 15 sci-fi technologies that are (almost) here

Science fiction has a rich history of predicting the future. And in some cases, the future is now

Cybernetic implants Cybernetic implants have been a staple in science fiction for decades, and in real life for almost as long. Several medical devices -- computerized prosthetics, cochlear implants, and pacemakers, for instance -- can be technically termed cybernetic. And some cybernetic weapons systems are already in use, depending on how you define your terms in regard to man-machine interface. Helmet-mounted display technology, for instance, augments eyesight for pilots and soldiers. In August of last year, Advanced Bionics received regulatory approval for its Naida CI system, an implant that connects signals from Bluetooth-enabled devices directly to the auditory nerve -- all electronically, with no actual sound generated at all.

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