Researchers Develop 'Soil-WiFi' with 100 Meter Range

Researchers have developed a new technology called 'soil-WiFi' that uses induction to transmit data. This system has a range of 100 meters and could be used to communicate with or locate missing people underground. The technology is still in development but has potential applications in search and rescue operations.

Summarized from the sources above. Read the originals for the full story.