Printing the next generation of rocket enginesby Jeff Foust — July 19, 2018Additive Rocket Corp. combines additive manufacturing with a tool called generative design, where computer algorithms develop thousands of different designs that meet a set of constraints and then iterate on them to find the optimal solution. Credit: ARC This article originally appeared in the June 25, 2018 issue of SpaceNews magazine.New technologies, when first introduced, often get applied in traditional ways. For the last several years, aerospace companies have been examining ways to use additive manufacturing, or 3D printing, to aid the production of rocket engines. A prime...