#signals
Radar systems are used to detect the distance, direction, and speed of objects. Radar works by sending out a signal, which is then reflected off of... Read more
GPS (Global Positioning System) is a navigation system that uses signals from satellites to determine location and time information. However, the GPS... Read more
The nervous system is a complex network of cells and organs that helps to regulate and coordinate body functions. One of its most important functions... Read more
Our five senses: sight, sound, smell, taste, and touch allow us to perceive the world around us. Each sense is composed of specialized sensory organs... Read more