TechnologyUS becomes world's largest bitcoin miner after China crackdown The US now has a 35 per cent global market share in bitcoin mining, the largest in the world – the electricity to produce the cryptocurrency may come mostly from coal News
PhysicsInvestigation of Nazi uranium could help stop modern nuclear smuggling Cubes of uranium salvaged from Nazi Germany's atomic bomb programme during the second world war are being analysed to confirm their origin, and the method could help law enforcement investigate illegal trafficking of nuclear material News