Showing posts from June, 2021

Copper: worth its weight in gold?

Why copper’s intrinsic value runs deep-veined through history. Everyone knows gold is expensive. We recognise it as a signifier of wealth, often without considering why. True, it has a shine and lustre like no other, but other materials also have their own unique and alluring visual qualities. Somehow, we have been seduced into holding gold above others. One can’t help wondering, is that fair? Alluring  For thousands of years, lots of people have thought so. Economies have been based on its perceived value, and status has depended on it. Shiny and rare, gold has captivated many an imagination and been the downfall of more than a few. But in practical terms its uses beyond jewellery (shiny and malleable) were traditionally quite limited. In modern times gold has developed wider applications: in dentistry (in fact since about 700BC, but it is still in use) in aerospace and in electronics – gold is an exceptionally good conductor, so it’s the metal of choice for high quality components in