UAV

WZ-8 is expected to soar three times the speed of sound, reach altitudes of some 30 kilometres

Technology would help in research in various fields including research and rescue operations

Say farmers should clean tools after trimming plants

The drone that could help users take overhead videos and photographs

Drones are playing a growing part in everyday life

Phaser uses external radar systems to locate targets and then shoots a wave of radiation

The prototype long-endurance, unmanned aerial vehicle flew for 80 hours, two minutes and 52 seconds