Our pal Rollin' Justin proved the old adage about teaching old robots new robo tricks wrong back in April, when he learned to catch balls by tracking moving objects, calculating their flight paths and then snapping shut his cold metal claws at the moment of impact. Now he's besting himself, thanks to a handful of improvements imparted upon him by way of his fleshy masters at the German Aerospace Agency. Among the upgrades are are an improvement to old Justin's dynamic performance -- he's now 1.5 t
