Introduction: In April 2009, the US "National Ignition Facility" (NIF), which cost $3.5 billion, officially began conducting related experiments and planned to ultimately achieve a fusion reaction by 2010. At that time, 192 laser beams would simultaneously irradiate a tiny target, making it the most powerful laser facility in the world to date. On the 13th, the UK's New Scientist magazine website published an article revealing the process of generating the world's strongest laser. The following is the full text: