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. SIZE 486.5 KB More Books by Roland Smith Disparition programmée 2018 The 39 Clues: Cahills vs. Vespers Book 4: Shatterproof 2012 A.I.pal 2023 They Are Here! 2023 Above 2016 THE TRUTH IS RIGHT HERE! 2022