Researchers develop ground-penetrating 'Wi-Fi' tech with 100m range — magnetic induction method could help reach those trapped or lost underground
by editors@tomshardware.com (Aaron Klotz) from Latest from Tom's Hardware on (#74JPZ)
South Korean researchers have developed a new underground communication technology that uses magnetic induction to achieve a 100-meter range. The tech could help rescuers reach those trapped or lost underground.