Before radar, one of the methods used to detect enemy aircraft was acoustic location. These "ear amplifiers" would be manned (literally) to detect the sound of noisy aircraft engines approaching.
Before radar, one of the methods used to detect enemy aircraft was acoustic location. These "ear amplifiers" would be manned (literally) to detect the sound of noisy aircraft engines approaching.
Before radar, one of the methods used to detect enemy aircraft was acoustic location. These "ear amplifiers" would be manned (literally) to detect the sound of noisy aircraft engines approaching.
Before radar, one of the methods used to detect enemy aircraft was acoustic location. These "ear amplifiers" would be manned (literally) to detect the sound of noisy aircraft engines approaching.
Just days after filing court papers to split from record exec Jordan Bratman, Christina Aguilera found herself in a new scandal. According to Radar Online, the couple had an open marriage to accommodate Aguilera’s lady lust.
Two German radar satellites are flying within 350 meters of each other as they orbit the globe in an effort to creating a seamless and incredibly accurate 3D map of the Earth.