Festo may've already stirred up plenty of attention with its mesmerizing AirPenguin blimp, but let's not forget its other weapon -- fluidic muscles (elastomer tubes that contract when filled with fluid). At The Gadget Show Live in the UK, this German company was also showing off its AirMotion Ride car-racing simulator -- essentially a driver's seat suspended from just six fluidic muscles for the six degrees of freedom, while sound and vision are handled by its 5.1 surround sound speakers and a projector. The company claims that each of these