khollar, i understand your trying to be positive and encouraging, but i have to say it bothers me when people make comments like " prob a lightsaber beam" etc etc. why would it be a lightsaber beam? why would it be a pod racer/force field beam either? isn't it an arm? so i think it's much safer to assume it's a technology used in limb replacement and prosthetics. not that it's not related to any of the above mentioned tech, but if they don't specifically tell us "A=B" then what does it matter? sorry to all my first post is a vent.....try to do better next time