Sensors are usually thought of in terms of physical devices that receive and respond to electromagnetic signals – from everyday sensors in our smartphones and connected home appliances to more advanced sensors in buildings, cars, airplanes and spacecraft. However present day physical sensors are severely limited in range to continuously and globally detect disturbances that … Continue reading DARPA’s AtmoSense to employ Atmosphere as Global Sensor for measuring thunderstorms, tornadoes, volcanos, and tsunamis for military operations