WiFi, on the other hand, has a wavelength of 12.5 centimeters, and the surface of a parabolic WiFi ... m missing 17% of the dish. A hexagon inscribed in a circle has an area 83% as large as ...

Pointed to the heavens, its giant white parabolic dish – mounted on a brick tower ... giant radio mirror,” says Sarkissian. “The surface area here is about an acre.” The film’s ...