You can test drive a car before buying it, so why not take the same approach to pregnancy? Such is the idea, apparently, behind the "Mommy Tummy" -- a system that gives women (or men) a taste of what it would feel like to have a bun in the oven, even if they haven't received any lovin'. Developed by researchers at Japan's Kanagawa Institute of Technology, this simulator invites users to don a jacket replete wi
