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Space Shuttle Atlantis launched today on its way to the final Hubble telescope repair mission. There's an old joke originally quipped by astronaut Wally Schirra that NASA spacecraft really is a modern marvel, especially when you consider it's built by the lowest bidders. It's the government's tight purse strings, however, that has helped open source software put its fingerprints all over the space agency.
Many people think you can tell a lot about a person's subconscious thought by measuring various bodily functions including heart rate, blood pressure, and muscle tension (think polygraph machines).
Whether you believe that biofeedback technology is cutting edge, interesting to ponder, or just a lot of hooey, there are a few biofeedback apps for Linux users who want to explore the concept.
