Published: December 20th, 2022,
Last updated: May 28th, 2025

The US Department of Energy announced last Tuesday that the first positive-energy nuclear fusion using inertial fusion technology has been performed in California. The National Ignition Facility (NIF) in California bombarded hydrogen plasma with high-power lasers to achieve the feat. It is a historic event because until now nuclear fusion has always required more energy than it has produced.