10 Sci-Fi Technologies That Actually EXIST! br br Subscribe! New videos every Saturday: Facebook (Like): Facebook (Follow): existing only in the mysterious realm of science fiction, here are 5 formerly top secret sci-fi weapons that actually exist... Subscribe to Dark5 ... br br These are the top ten technologies that you might not know actually exist. br br Share on Facebook: Jonathan recently visited Dragon Con 2014 – a huge Atlanta convention catering to fans of science fiction, fantasy, ... br br 10 Sci-Fi Technologies That Already Exist Look at the world of tomorrow, today! In 10 Sci-Fi technologies that already exist. Thanks to AxtoneTV for the music: ... br br Watch the Top 10 playlist!▻ Subscribe for a new video every Tuesday & Saturday @ 10AM (EST)!▻ Subscribe to ...