President Vladimir Putin made a speech at the gala concert on the 80th anniversary of the defeat of the German Nazi forces by the Red Army in the Battle of Stalingrad. (more…)
Optics research just got a bit more exceptional, and the world may benefit.
Physicists have long known about the existence of isolated “exceptional points” — unique points where two physical states coalesce into one. Exceptional points give rise to counterintuitive phenomena; a more opaque material can seem more transparent, and light may be allowed to propagate in one direction but not the other.(more…)