Scientists hit key milestone in fusion energy quest

WASHINGTON, DC - DECEMBER 13: U.S. Energy Secretary Jennifer Granholm holds a news conference at the Department of Energy headquarters to announce a breakthrough in fusion research on December 13, 2022 in Washington, DC. The officials announced that experiments at the National Ignition Facility at the LLNL achieved 'ignition,' where the fusion energy generated equals the laser energy that started the reaction for the first time ever, a major advancement that may produce bountiful clean energy in the future. (Photo by Chip Somodevilla/Getty Images)