PhysicsQuantum time travel: The experiment to 'send a particle into the past' Time loops have long been the stuff of science fiction. Now, using the rules of quantum mechanics, we have a way to effectively transport a particle back in time – here’s how Features
TechnologyQuantum internet draws near thanks to entangled memory breakthroughs Researchers aiming to create a secure quantum version of the internet need a device called a quantum repeater, which doesn't yet exist - but now two teams say they are well on the way to building one News