mineria
To trust the currency
Geometrically a coin has three faces: front, back and edge. But metaphorically, it has many more. Numismatics values ancient coins both for art and for the history they contain. Inflation is an economic phenomenon directly related to the availability of currencies. And Bitcoin is a digital currency that challenges the current financial system. Speakers Albert […]
The lives of iron
Iron is an element used and reused by humans for millennia and has many lives. To learn both the life of iron and the life with iron we will visit a steel mill where hundreds of tons of scrap are recycled every day, by melting to produce steel. We also will go into a mine […]
Garraf, a mount of limestone
Eagles, turtles, shellfish and people form their structures due to calcium, a very strong element that is also part of the rocks of the Garraf. “Quèquicom” walks this park to explain calcium cycling. The Garraf is a spectacular rough and rocky mount, located just 30 km from the city of Barcelona. It consists of limestone, […]
