Jeff Bezos’s Prometheus raises $12B to build an ‘artificial general engineer’ for the physical world. The startup aims to create an AI that can design physical products like rocket engines, drugs, and robotics. Bezos says Blue Origin, his space company, would benefit directly. But the $12B will mostly go to compute and data, not intelligence. The real challenge is bridging the gap between digital design and physical manufacturing—AI can dream up a perfect part, but can it make one?

WolfEye: 12 billion for an AI that can design, but not build—the physical world is the ultimate reality check.