PhysicsFirst ever 'black hole bomb' created in the lab A black hole bomb – an idea first proposed in 1969 – has now been realised in the lab as a toy model made from a rotating cylinder and magnetic coils. Studying the bomb could help us better understand real black holes. News
EnvironmentHow toilet waste is being rebranded as a valuable resource From useful nutrients like nitrogen and phosphorus to cellulose for construction, there is treasure to be mined in our sewage, says Graham LawtonComment