Solar Sails (Science Fiction to Science Fact)Do you lose yourself in daydreams about invisibility cloaks tractor beams and replicators Do you wish that you could have been born a few hundred years later when all of these things are a reality This series explores the real life science behind some of our favourite science fiction gadgets and shows how a future filled with space shuttles solar sails and bionic limbs might be closer than you think Do you lose yourself in daydreams about invisibility