On October 5, 2025, the Wall Street Journal reportes that xAI is committing over $18 billion to acquire approximately 300,000 additional NVIDIA GPUs, bringing the total for Colossus 2 to around 550,000 chips. This aligns with broader announcements from Musk on X, where he has repeatedly described Colossus 2 as the world’s first gigawatt-scale AI …
XAI is complete installation of 550,000 Nvidia B200 GPUs in weeks. This is far faster than previously expected. It is over 7 times the compute used to train Grok 4 which was released just weeks ago. It is 30 times the compute used to train Grok 3 which was released in February of this year. …
Expanding the power capacity at xAI’s Colossus supercomputer in Memphis from 250 megawatts (MW) to 1.2 gigawatts (GW)—a nearly fivefold increase—is a complex challenge involving infrastructure, logistics, and regulatory hurdles. The Memphis XAI site hasexisting resources (like natural gas availability at the old Electrolux factory). This assumes typical industry constraints. Current State and Past Expansion …
A method to produce significant amounts of semiconducting nanoparticles for light-emitting displays, sensors, solar panels and biomedical applications has gained momentum with a demonstration by researchers at the Department of Energy’s Oak Ridge National Laboratory. While zinc sulfide nanoparticles – a type of quantum dot that is a semiconductor – have many potential applications, high …