Your Phone’s Wi-Fi Hotspot Could Act As an SOS Beacon in a Disaster
Trapped under rubble, unable to move following a natural disaster, it would be easy to assume the worst. But soon the Wi-Fi hotspot on your phone may be able to help raise alarm—acting as an SOS beacon to guide rescuers your way. At least, that’s if Amro Al-Akkad, an engineer with the Fraunhofer Institute for…