births
Robert Watson-Watt, Scottish engineer, invented Radar (died 1973)
Related Wikipedia articles
Robert Watson-Watt
British physicist and pioneer of direction-finding and radar technology (1892–1973)
Sir Robert Alexander Watson-Watt was a British radio engineer and pioneer of radio direction finding and radar technology.Source: Wikipedia (CC BY-SA)
Radar
Object detection system using radio waves
Radar is a system that uses radio waves to determine the distance (ranging), direction, and radial velocity of objects relative to the site. It is a radiodetermination method used to detect and track aircraft, ships, spacecraft, guided missiles, motor vehicles, map weather…Source: Wikipedia (CC BY-SA)