The Planetary Society's LightSail spacecraft just dodged another bullet -- the ground crew has not only regained contact with the Carl Sagan-inspired ship, but managed to deploy its sails. It's still not clear just what rendered the vessel silent last week. However, the Society suspects that there might have been a "ping-pong effect" where LightSail's batteries got too little power in the darkness, and too much in sunlight. In short, the machine might not have had a chance to operate normally until now.