GPS, or Global Positioning System, is a satellite-based navigation system that allows users to determine their exact location anywhere on Earth. GPS works by using a network of at least 24 satellites orbiting the Earth. These satellites constantly transmit signals that can be picked up by GPS receivers, such as those found in smartphones or GPS devices. To calculate your position, the GPS receiver needs to determine the distance to at least four satellites. It does this by measuring the time it takes for the signals to travel from the satellites to the receiver. By knowing the exact positions of the satellites and the time it took for the signals to arrive, the receiver can calculate its distance from each satellite and triangulate its position on the Earth's surface. In addition to providing accurate location information, GPS can also calculate speed, direction, and even altitude. It has revolutionized navigation and has become an essential tool in various industries, including transportation, agriculture, and outdoor recreation. Despite being a complex technology, GPS is now readily available to the public and has become a ubiquitous part of everyday life.