PhysicsA new kind of hidden black hole may explain the mystery of dark energy Space-time may hide a bizarre new kind of black hole that causes Einstein’s theory of gravity to fail – and could solve the mystery of dark energy Features
PhysicsLaser technique measures vast distances with nanometre precision A new technique involving lasers can measure long distances more precisely than ever, which could be useful for space telescopes ¿ìè¶ÌÊÓÆµ