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 Francine Laurendeau 2024 A.I.pal 2023 They Are Here! 2023 Above 2016 Peak 2008 The Edge 2015