PhysicsAntibubbles have been made to last a record-breaking 13 hours Shaking antibubbles – droplets of liquid encased in a thin layer of air – prevents them from popping for several hours. These could be used in chemical engineering in the future 51¶¯Âþ
TechnologyHow to make sustainable batteries that won't wreck the planet The batteries we need to power the transition to 100-per-cent renewable electricity require rare metals, and that means destructive mining – but researchers are working on alternatives Features