1. Goodbye Skynet, you nightmarish creation. deviousphotoeditor.deviantart.com 2. Goodbye human intergalactic space travel, tuffwallpapers.com 3. and time travel, too. How we longed for your realization! instagram.com 4. And goodbye hoverboards, you were never meant to be. digitaltrends.com 5. Goodbye flying car. tvtropes.org 6. And teleportation is something else we'll never see. whatsupkuwait.com 7. Goodbye clear touchscreen computers. So close! io9.com 8. And human computer chip implantation. dark-link-girl.deviantart.com 9. Goodbye replicated foods. What a better world that would have been, all of us vegans. en.memory-alpha.org 10. And first contact with alien species, those sweet unknown space creatures. furiousfanboys.com 11. Goodbye to moving sidewalks replacing our streets. View this video on YouTube youtube.com From Edison films catalog: This picture was taken from the stationary platform, showing the rapidly moving board walk on the outer edge, which has a speed of five miles per hour; also shows the middle platform moving two and a-half miles per hour, the third platform being stationary. 12. And organic cyborgs with human moods. terminator.wikia.com 13. Goodbye curious artificial intelligence. fanpop.com 14. And augmented reality. augmentedreality.co.uk 15. Goodbye food in pills and robotic helpers. vimeo.com 16. And laser guns. Maybe it's all for the best. memory-beta.wikia.com 17. Goodbye painful memory extractors. nzfilmfreak.wordpress.com 18. Goodbye full immersion virtual reality. Though who knows, maybe we're all brains in vats. imdb.com 19. Goodbye to all you sweet science fiction tech which hasn't reached completion. We hardly knew ye.