Oklo Inc. (NYSE: OKLO) said on Thursday it has completed full-scale testing of a prototype fuel assembly at the U.S. Department of Energy's Argonne National Laboratory. The work was conducted through the DOE's Gateway for Accelerated Innovation in Nuclear voucher program, which helps startups advance their reactor designs and confirm performance data. The project examined how coolant flows through Oklo's assembly under varying conditions, measuring factors such as pressure drop and flow distribution. Al ...