don't forget the 'sixth sense' - there are three little accelerometers in each of your ears, and cool little feedback control system that keeps your eyes consta

don't forget the 'sixth sense' - there are three little accelerometers in each of your ears, and cool little feedback control system that keeps your eyes constantly cancelling out the tiny variations in position that your head constantly undergoes. http://en.wikipedia.org/wiki/Vestibular_system http://en.wikipedia.org/wiki/Vestibular_system afaik its the only sense which doesn't primarily detect electromagnetic effects.