Using data on electromagnetic (EM) waves and plasma particles measured simultaneously via multiple satellites, an international collaborative research group has discovered the existence of invisible ...

IN a recent letter 1, Millington has published the results of an experiment designed to test his theory 2 of the propagation of radio waves over a ‘mixed path’ consisting partly of land and partly of ...

It is fitting in a book about wireless communication to look at the phenomena that lets us transfer information from one point to another without any physical medium—the propagation of radio waves. If ...