His show stopped producing new episodes nearly eight years ago, but it seems that Bill Nye the Science Guy (Bill! Bill! Bill! Bill!) isn't submitting to B-level TV-celebrity status just yet. A mechanical engineer who studied at Cornell under Carl Sagan, Nye has much more under his belt than his beloved educational show; he engineered a hydraulic device for Boeing that is still used on the 747 and a special sundial used during the Mars Exploration Rover mission.