Prometheus, the industrial AI startup led by Jeff Bezos and former Google exec Vik Bajaj, today will announce that it's raised $12 billion in Series B funding at a $41 billion valuation.Why it matters: It's a massive bet to rearchitect how physical things are made, from jet engines to medical devices to consumer electronics.What they're saying: "The cycle from dream, to manufacturing at rate, to having it out in the world can be very long," Bezos tells Axios."For example, if you go to a current ...