Elon Musk's AI startup — xAI — announced that it has raised $6 billion in one of the largest venture capital funding rounds of all time.
Why it matters: This could help Musk begin to catch up with ChatGPT maker OpenAI, which he co-founded before leaving in a dispute that's become litigious.
China flaunted a robot dog strapped with a gun during its largest-ever military exercise with Cambodia, producing images reminiscent of dystopian movies.
Why it matters: China and the U.S. are racing to dominate robotics and other smart machinery. Defense officials from both powers believe unmanned technologies will be decisive in future wars.