Scientists at Germany’s Karlsruhe Institute of Technology have demonstrated a way to identify people using ordinary Wi-Fi signals in a room. The system analyzes how radio waves bounce off bodies and objects to form reflection patterns it can recognize, even when someone isn’t carrying a device and their phone is turned off. WiFi used to…
Scientists at Germany’s Karlsruhe Institute of Technology have demonstrated a way to identify people using ordinary Wi-Fi signals in a room. The system analyzes how radio waves bounce off bodies and objects to form reflection patterns it can recognize, even when someone isn’t carrying a device and their phone is turned off. WiFi used to […]
