15 diciembre 2014
Many coastal areas and harbors go almost unprotected against acts of terror. Soon a new sensor system relying on signal echoes from cell towers can quickly detect even the smallest of attack boats. This mobile radio passive radar can also help airplanes avoid colliding with wind turbines.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/kVkXvUFz_vo/141215084428.htm
