Author:Malan, DFDate:Oct 2002Although hard rock is not usually associated with large creep deformation, data collected from the tunnels and stopes of the deep South African gold mines illustrates significant time-dependent behaviour. Apart from application in mining, a ...Read more
Author:Hamadou Ibrahim, A; Roux, FS; Konrad, TDate:Jul 2011This study focusses on short distance free-space communication, long distance free-space communication, as well as the challenges for free-space communication. The phase screen method is discussed, and the question "how do we know that we are ...Read more