PhysicsHow to measure anything – and fix the foundations of science We're about to recalibrate the units that mark out reality – and it's forcing us to probe the stuff of the universe more precisely than ever before Features
SpaceBlack holes may be brick walls that bounce information back out It's another shot in the black hole wars – a Nobel laureate has a counterpoint to Stephen Hawking's new solution to the black hole information paradox 51¶¯Âþ