Elon Musk, chief executive officer of SpaceX, unveiled its spacecraft called Dragon V2 that is designed to fly from outer space to the earth and, like a helicopter, touch down safely on the ground.

An EU-funded research team behind the OPTIX project (Optical Technologies for the Identification of explosives),has successfully developed and tested a portable device, which can detect extremely small, as little as 1 microgram of explosives from up to 20 metres away.

Through project funded by the Engineering and Physical Sciences Research Council and Sellafield, a team at the University of Bristol has developed the drone, called the ARM system.