Terafab Texas will produce chips for Optimus robots, self-driving Cybercabs and space-based data centers SpaceX announced this week that its planned semiconductor plant that is expected to become the largest building in the world at more than 100 million square feet will be built in Grimes, Texas, outside of Houston. "Terafab Texas will be the largest and most valuable building on Earth by far," owner Elon Musk wrote X Thursday. "And it will be stunningly beautiful." The factory is a joint effor