Researchers at MIT (Massachusetts Institute of Technology) working in Wi-Vi, a system that detects human movement through walls by using two antennas and a Wi-Fi signal receiver, as reported by the institution itself. Wi-Vi might help, for example, rescue teams are searching for survivors after landslides and earthquakes, the policemen who need to identify how many criminals hide in a building, and as well as evolve toward a personal security device that will allow us to know if anyone is still quietly in a poorly lit street.
Read MoreA system that detects human movement through walls for Wi-Fi
