Even though radar uses electromagnetic waves to detect objects, the same principle has been used with other propagating waves, most often sound waves. While a well-known use of this is sonar ...

Sonar, a cousin to radar, uses acoustic as opposed to electromagnetic signals to detect targets in aquatic settings. Krumme & Saint-Paul (2003) used sonar technology to research the movements of ...

Mercedes-Benz selects China’s Hesai for lidar in global smart cars, bypassing U.S. suppliers amid trade tensions and cost ...

As with sonar, it is important to remember to only use half of the time there and back when calculating the distance. Meteorologists use radar to track a storm. A pulse of radar is reflected by ...

But the US Navy sought to get eyes in the water as well, attempting to create the first stealth vessel that was undetectable by radar and sonar. The Navy never found a use for the one-of-a-kind vessel ...