PhysicsWhere exactly does the quantum world end and concrete reality begin? Quantum effects like superposition and entanglement have long been seen in single particles, but physicists are on a quest to find out just how big an object can be before it loses its quantumness Features
TechnologyQuantum satellite sets globe-spanning distance record A record-setting test of quantum communication used a microsatellite to connect ground stations in China and South Africa, bringing a global quantum internet closer to reality News