https://www.live-feeds.com/feed/world-s-largest-building-with-own-weather-set-to-be-dwarfed-by-119bn-texas-megastructureContinuously updated, source-cited coverage. https://www.live-feeds.com/feed/world-s-largest-building-with-own-weather-set-to-be-dwarfed-by-119bn-texas-megastructurehttps://www.live-feeds.com/feed/world-s-largest-building-with-own-weather-set-to-be-dwarfed-by-119bn-texas-megastructure#u107093Tue, 06 Oct 2026 18:00:54 +0000Tesla and SpaceX have started erecting structural steel for Terafab, a massive advanced technology chip fabrication facility in Grimes County, Texas. Designed to be the largest building on Earth, the project aims to produce AI chips. Reports on the facility's scale vary, with some sources citing a 100 million square foot footprint stretching 3 miles, while cost estimates range from $16.8 billion to $119 billion. The project has already prompted Korean equipment suppliers like HPSP and Hanmi Semiconductor to secure their supply chains in anticipation of orders.Why it mattersThe facility re