SpaceAtomic fountain reveals 'gravitational red shift' Fountains of caesium atoms in a superposition of quantum states help confirm Einstein's general relativity to astounding accuracy ¿ìè¶ÌÊÓÆµ
TechnologyGoogle demonstrates quantum computer image search Trials show that an algorithm running on a superconducting quantum chip can recognise cars in photos "faster than any Google data centre" ¿ìè¶ÌÊÓÆµ