General Galactic, cofounded by a former SpaceX engineer, plans to test its water-based propellant this fall. If successful, it could help usher in a new era of space travel. That's a big “if.” ...

Elon Musk says AI’s real bottleneck isn’t chips but power, and his solution is radical: space-based data centers fueled by orbital solar energy.

Print Join the Discussion View in the ACM Digital Library The mathematical reasoning performed by LLMs is fundamentally different from the rule-based symbolic methods in traditional formal reasoning.