Comcast has started rolling out WiFi Motion, a new feature for Xfinity customers that lets compatible routers detect movement inside a home without cameras or separate motion sensors. Available throug
Researchers at Dartmouth College have developed a way to improve and direct Wi‑Fi signals using a 3D-printed reflector covered in aluminum foil. The technique works by exploiting a basic property of e
Researchers and tech experts say aluminum foil behind a Wi‑Fi router can sometimes improve signal, but only in a limited, directional way. A 2017 Dartmouth College study found that a properly curved r