VideoInside the quantum computing revolution – what does the future hold? Rhys Lewis lifts the lid on how quantum science is being exploited to build future computers, secure communications and novel sensors Video
SpaceNASA engineer's 'helical engine' may violate the laws of physics A NASA engineer has published plans for an engine that could accelerate a rocket without using propellant. But there are questions over whether it could work ¿ìè¶ÌÊÓÆµ