Surya Mangi The success of Apple’s new folding iPhone Duo hinged on its, well, hinge. But sadly for the multi trillion dollar company, some of the larger, inner screens on its $2,000-plus devices are already cracking, and early postmortems point to their faulty hinge design. In light of that fiasco, now feels like a good time to bring up how the hinge was designed: with the help of AI. Here’s what Johny Srouji, the company’s chief hardware officer, said du