R/€ = 14.90
R/$ = 10.73
Au 1339.50 $/oz
Pt 1482.00 $/oz
Mar 07, 2014
It was interesting watching some of the Winter Olympics in Sochi, Russia. I watching on TV and so had the benefit of the super close-ups and the replays of the drama.
Feb 28, 2014
The World Champion chess grand master Garry Kasparov has just completed another tour of a number of African countries. He managed to either visit or meet representatives from 20 African countries.
Feb 21, 2014
There is an expression that our world is becoming a smaller place. Yes, modern communications and travel does make it considerably easier to travel from the bottom of Africa to the ports of Europe than was the case half a century ago. Now one can send messages over...
Feb 14, 2014
Here I sit, enjoying a long warm summer in Pretoria. Some nights I go home, and in the dark I jump in into my swimming pool and lazily float around, looking up at the millions of starts shining brightly in a cloudless sky.
Jan 31, 2014
I was looking at an electricity distribution map of Germany and Scandinavia. It was an animated map and it showed the movement of electricity on an hour-by-hour basis. What struck me was that one cannot speak of the grid of one of those countries in isolation. On an...
Jan 24, 2014
If you are operating a system, it is important that all elements of the system work together in harmony, or the entire system can fail. With this in mind, let me relate my lunch experience at the Mugg and Bean at Killarney Mall, in Johannesburg. I had been at a...
Jan 17, 2014
Engineering is very much concerned with values. By this I mean engineering values, such as the value of a mathematical constant like Pi, the strength of a piece of steel or the hardness of ceramic material. Engineers know that these numbers are important.
Dec 13, 2013
Modern technology advance brings many benefits, but, almost always, a technology advance also brings with it the potential for negative side effects. People interact with technology and so the effects, both positive and negative, bring changes to the way people...
Dec 06, 2013
The philosophy of protecting the public against unexpected incidents arising from the advance of new technology is very good. As a general rule, new technology brings great benefit to mankind, but at times downside snags also come with the package. Frequently, such...
Nov 29, 2013
Nuclear radiation is mysterious and by far the majority of people have no idea what it is. Much of this attitude is understandable and it should be a signal to nuclear professionals that they should do something about the lack of public understanding. Worldwide, over...