University of Michigan fires up ultrafast, ultrapowerful ZEUS laser

https://www.laserfocusworld.com/lasers-sources/article/14284342/university-of-michigan-fires-up-ultrafast-ultrapowerful-zeus-laser

"multi-laser beam capability... intensity million times higher than single laser... colliding vacuum multi-GeV electron beam produced by one beam with tightly focused laser... enable exploring structure of quantum vacuum and produce matter and antimatter—electron and positron pairs... pump-probe experiments using femtosecond x-rays... probe plasma processes or to explore broader applications such as material science, medical imaging, etc"

Related: World's most powerful laser to be built in UK and will be 'million, billion, billion' times brighter than the sun

https://news.sky.com/story/worlds-most-powerful-laser-to-be-built-in-uk-and-will-be-million-billion-billion-times-brighter-than-the-sun-12970854