"Something made you, Cutie," pointed out Powell. "You admit yourself that your memory seems to spring full-grown from the absolute blankness of a week ago. I'm giving you the explanation. Donovan and I put you together from the parts shipped us." Cutie gazed upon his long, supple fingers in an oddly human attitude of mystification. "It seems to me that there should be a more satisfactory explanation than that. For you to make me seems improbable."
Before the great ships whispered between the stars by means of planoforming, people had to fly from star to star with immense sails - huge films assembled in space on long, rigid, coldproof rigging.Real-life applications: