• Jan. 8, 2023 8:28 a.m.

FILE - This undated image provided by the National Ignition Facility at the Lawrence Livermore National Laboratory shows the NIF Target Bay in Livermore, Calif. The system uses 192 laser beams converging at the center of this giant sphere to make a tiny hydrogen fuel pellet implode. (Damien Jemison/Lawrence Livermore National Laboratory via AP, File)