Whenever it picks up a can of drink to add to the ingredients, it examines the lid with a camera so that it can work out where to find the ring-pull.

ECONOMIST: Robots: Nothing to lose but their chains | The

As the moons pass close to - or even through the rings, their gravitational pull tugs waves of the ring particles towards them, twisting and shaping the ring and sweeping paths through them.

BBC: Saturn's beauty and power