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If you once were or still are a Star Trek fan, then you probably already know what a tricorder is or what it should be; it’s a handheld device that practically acts as a biological laboratory. And, as usual, Sci-Fi once again becomes reality. A device similar to the tricorder, called LOCAD-PTS, standing for Lab-On-a-Chip Application Development Portable Test System, is now being developed by NASA to make quick evaluations of life forms on board the International Space Station. "LOCAD is like ... Read »