Underground Mapping
Underground mapping is the process of creating maps of underground spaces such as tunnels, mines, and sewers. These maps can be used for safety inspections and infrastructure planning, for example.
Li-Fi Technologies
Li-Fi uses visible light communication to enable high-speed, high-capacity wireless communication. It works similar to Wi-Fi, but instead of radio waves, it uses light waves to transmit data.
RFID
RFID is a technology that uses radio waves to identify objects. It is used in a variety of applications, including security, inventory management, and tracking.