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 News
TechnologyUltrasound could spot battery defects that might lead to fires Potentially dangerous battery damage that would normally be hidden from sight could be revealed quickly and at low cost using ultrasound waves News