PhysicsPhysics may be a small but crucial fraction of our reality Just how much of physics is real, and how much of reality is physics? That’s a theme uniting four major new books in the field Culture
SpaceIs new talk of interstellar drive too good to be true? Speculation about the EM drive, a proposed fuel-free, physics-busting starship engine, is back but is it still strictly for dreamers, wonders Geraint Lewis Comment