PhysicsUK nuclear fusion reactor sets new world record for energy output In its final experiments before being shut down for good last year, the UK's JET reactor set a world record for the energy output of a fusion reaction ¿ìè¶ÌÊÓÆµ
EnvironmentHydropower generation in western US set to fall as climate gets drier A model of US water systems foresees a big drop in hydropower generation by 2050 as the climate gets drier and river flow decreases, while electricity demand is set to increase ¿ìè¶ÌÊÓÆµ