http://www.spaceanswers.com/futuretech/nautilus-x-the-multi-purpose-nasa-spacecraft-that-could-take-humans-to-the-moon-and-beyond/

Article on the Nautilus X. A concept spaceship capable on traveling for long periods in space with the ability to generate artificial gravity. Document this in my research document as way to get around the detrimental effects of zero gravity in space.