TechnologyFloating nuclear plants could herald a new era of cheap, safe energy The price of renewables is at rock bottom, making nuclear power look pointlessly expensive. But new atomic plants could be cheap - and safer too Features
TechnologyPaper batteries use electron-harvesting bacteria to make electricity Many small devices require batteries, but they can be expensive and environmentally unfriendly. Paper batteries powered by bacteria may be the solution ¿ìè¶ÌÊÓÆµ