TechnologyChina beats Google to claim the world's most powerful quantum computer A team in China has demonstrated that it has the world's most powerful quantum computer, leapfrogging the previous record holder, Google 51¶¯Âþ
PhysicsClouds of atoms trap light in a way that could store quantum data When an atom absorbs light, it re-emits it almost immediately – but a cloud of atoms can hold on to the light for a while, which could be useful in future quantum computers 51¶¯Âþ