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
New Scientist LiveJoin us for a mind-blowing festival of ideas and experiencesNew Scientist Promotions
TechnologyPortable laser scanner creates colour 3D images of surfaces or objects Lidar uses lasers to create 3D images, but these can be hard to interpret because they are black and white. A new scanner adds cameras to make colour images that could be useful for infrastructure inspection or robot vision News