Desmond van Heerden
Thursday, February 4, 2016 - 08:00
In 1958, economist William Phillips, a New Zealander, published a paper titled ‘The Relation between Unemployment and the Rate of Change of Money Wage Rates in the United Kingdom.’ It was an unwieldy title for a rather simple relationship that he discovered in the economy of the United Kingd
Wednesday, December 9, 2015 - 08:00
From the earliest times, mankind has looked to the stars for guidance. But not just any stars – our star, Sol, the sun. Barrelling around the supermassive black hole at the centre of the Milky Way galaxy at 790 000 km/h, it has provided light and heat for the past 4,57 billion years.