PhysicsQuantum trick sees light move forwards and back in time simultaneously Placing a particle of light in a superposition so that it is travelling both forwards and backwards in time could prove useful for quantum computation ¿ìè¶ÌÊÓÆµ
PhysicsQuantum memory device could make real-world quantum internet possible A quantum memory device can store information at room temperature – a step towards building a quantum internet that could transmit secure data across fibre-optic cables ¿ìè¶ÌÊÓÆµ