They returned to the truck, where Martha was remotely wrapped in flight. Buzzard rummaged in a tool kit, then produced a pair of calipers. He measured the distance between the pupils of Alex’s eyeballs, then loaded the parameters into a laptop. He pulled spare goggles and phones from their dustproof plastic wrap and sterilized them with a swab. "Can’t be too careful with virching equipment," he remarked. "People get pinkeye, swimmer’s ear ... in the city arcades, you can get head lice!"