PhysicsWhy is it so difficult to find a viable quantum theory of gravity? The way we calculate the properties of subatomic particles with quantum theory goes haywire when it comes to hypothetical particles of gravity, but there may be a clever workaround Features
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