This is an updated version of the previously published article featuring a new layout. Hopefully, the improved presentation will add to reading experience by making the article both easier to read and more attractive to the eye in general. Thanks! - DH
Thanks to MD and LG for feedback and editing.
The art featured here is by Taiwanese painter, Paul Chiang, whose work has been used without permission; the photos were taken by myself. His website can be visited here.
