WiFi can be used to see through walls

From University of California – Santa Barbara 13/09/23 Researchers in UC Santa Barbara professor Yasamin Mostofi’s lab have proposed a new foundation that can enable high-quality imaging of still objects with only WiFi signals. Their method uses the Geometrical Theory of Diffraction and the corresponding Keller cones to trace edges of the objects. The technique […]

Deep sea internet cable used to track sea ice extent in the Arctic

From Seismological Society of America 18/08/23 A telecommunications fiber optic cable deployed offshore of Oliktok Point, Alaska recorded ambient seismic noise that can be used to finely track the formation and retreat of sea ice in the area, researchers report in The Seismic Record. Andres Felipe Peña Castro of the University of New Mexico and […]