PhysicsBizarre test shows light can actually cast its own shadow With the help of a ruby cube and two laser beams, researchers made one ray of light cast a shadow when illuminated by the other 51¶¯Âþ
PhysicsQuantum 'Schrödinger's cat' survives for a stunning 23 minutes A typically fragile quantum superposition has been made to last exceptionally long, and could eventually be used as a probe for discovering new physics 51¶¯Âþ