"I'm not an expert on aluminum manufacturing processes," Apple 2.0 blogger Philip Elmer-DeWitt told MacNewsWorld, "but I did enough checking to know there are industrial technologies for airplane manufacturers that involve laser-cutting for aluminum. There are pros and cons; there's tricky stuff about swirls and shockwaves and turbulence flow. It's a fairly sophisticated technology, and it's real. That seems to be credible. [Weintraub's] got a source, and it may very well be true." Perhaps Apple actually already has built a factory using this technology -- or maybe not, said Elmer-DeWitt. Full Article at TechNewsWorld