EarthQuantum gravity detector will use atom clouds to survey for oil A commercial device that uses quantum technology to detect subtle differences in gravity, should be able to detect coal, oil or pipes underground ¿ìè¶ÌÊÓÆµ
TechnologyThe spongy fuel that's made from treesUnder the electron microscope, charcoal looks almost like Swiss cheese – and how well it keeps that structure tells us about its potential to keep us warmRegulars