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.

The airforce vehicle laboratory released a computer generated video to show off the capabilities of flying UAVs they are designing. They tiny robots can fly like birds, crawl like spiders, hover like bees and can also attack a human target with a weapon.