Warring tech CEOs fight over the future of 3D printing in a thunderously loud action movie scored by Nine Inch Nails. Joachim Rønning’s “ Tron: Ares ” is a movie about two warring tech billionaires who have very different intentions for the same revolutionary tech. Both of them are capable of rapidly 3D-printing anything they’re able to design in the digital world, and both of them are in pursuit of the “permanence code” that will allow their creations to last for more than 29 minutes before