The AI Company That Helps Boeing Cook New Metals for Jets
At HRL Laboratories in Malibu, California, materials scientist Hunter Martin and his team load a grey powder as fine as confectioner\u2019s sugar into a machine. They\u2019ve curated the powder recipe\u2014mostly aluminum, blended with some other elements\u2014down to the atom. The machine, a 3-D metal printer, lays the powder down a single dusting at time, while a laser overhead welds the layers together. Over several hours, the machine prints a small block the size of brownie.