Elon Musk Is Rolling xAI Into SpaceX—Creating the World’s Most Valuable Private Company

Elon Musk’s rocket and satellite company SpaceX is acquiring his AI startup xAI, the centibillionaire announced on Monday. In a blog post, Musk said the…

Finland warms up the world’s largest sand battery, and the economics look appealing |

2:54 PM PDT · June 16, 2025 It doesn’t look like much, but Finland recently flipped the switch on the world’s largest sand-based battery. Yes,…