How the Time Machine works. Roland Smith Publisher Description A theoretical spaceship that generates a negative gravity field in space time. GENRE Sci-Fi & Fantasy RELEASED 2022 1 July LANGUAGE EN English LENGTH 2 Pages PUBLISHER Roland Smith Jr. SELLER Roland Smith SIZE 486.5 KB More Books Like This Fast Things in the Solar System 2012 Calculations for Science Fiction Writers/Circular Orbits 2013 Space Travel 2020 Fly Me to the Moon 2013 An Adventure 2023 Space Travel: A Science Fiction Writer's Guide 2014 More Books by Roland Smith Peak 2007 The 39 Clues: Cahills vs. Vespers Book 4: Shatterproof 2012 Storm Runners (The Storm Runners Trilogy, Book 1) 2011 Beneath 2015 Chupacabra (Cryptid Hunters, Book 3) 2013 Tentacles (Cryptid Hunters, Book 2) 2013