| Sonar is like radar but uses sound waves instead of radio waves. Sound doesn’t allow for the range of radar signals, but it is a great alter...
| Sonar is like radar but uses sound waves instead of radio waves. Sound doesn’t allow for the range of radar signals, but it is a great alter...
| The word LiDAR, the ‘Li’ meaning ‘light’ indicates a device for optoelectronic echolocation. Instead of radio frequencies, the Lidar transmi...