TechnologyCheap wonder metals will make a faster, cleaner world If only aluminium, titanium and magnesium were cheaper, they would replace steel and help us cut fuel bills and emissions. That day may not be far off News
TechnologyWaste paper turned into a super-spongy battery Treat paper in the right way and it can become a form of porous carbon capable of sucking up charge – making it the perfect battery for storing wind energy News