TechnologyPure samples of telltale gas could help nuke sniffers An exotic radioactive gas has been isolated for the first time, which should make it easier to detect underground nuclear bomb tests from air samples ¿ìè¶ÌÊÓÆµ
TechnologyGiant laser reaches key milestone for fusion Researchers at the National Ignition Facility in California are one step closer to the elusive goal of triggering a self-sustained, stable fusion reaction ¿ìè¶ÌÊÓÆµ