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 at Dartmouth University found that a simple aluminum-foil reflector, when shaped correctly, can improve Wi‑Fi range and security. The team developed a method to place a reflector around a
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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