EnvironmentWind turbines based on condor wings could capture more energy Curved wing tips inspired by the world's heaviest flying bird could enhance the efficiency of wind turbines by of 10 per cent, according to simulations ¿ìè¶ÌÊÓÆµ
EnvironmentBattery breakthrough lets electric cars run longer in extreme cold A new formula for lithium-ion batteries could help electric vehicles drive farther and charge faster even at extreme sub-zero temperatures ¿ìè¶ÌÊÓÆµ