Eavesdropping on outer space- search ????other civilizations have been going on for 50 years, but the results are scantyEavesdropping on outer space- search ????other civilizations have been going on for 50 years, but the results are scanty
An unusual plane of white and blue color is flying highAn unusual plane of white and blue color is flying high
Microphone with headphones in the recording studioMicrophone with headphones in the recording studio
The most powerful antenna for communication with other worldsThe most powerful antenna for communication with other worlds