
About aircraft communication, skywaves and unobstructed areas
The Radio network of the planes crossing the ocean is limited, and in fact there are areas where the plane cannot communicate with anybody. This
The Radio network of the planes crossing the ocean is limited, and in fact there are areas where the plane cannot communicate with anybody. This
A giant turtle species, Stupendemys Geographicus, lived in the tropical regions of South America approximately 8 million years ago. The species was first discovered in
Alzheimer’s is an irreversable disease which slowly destroys memory and thought connections, and finally, the ability to carry out simple actions. In spite of much