Gold: A Material History – why is gold so precious? It has been used as currency for thousands of years.
Knowledge of materials have shaped the path of human history. In the past many discoveries have been accidental but have had huge consequences. One development, that had huge implications, was the use of Bronze alloys. First of all what is Bronze? You may think of this as a colour. Bronze is actually an alloy of predominantly copper(~85%)…… Continue reading A very brief story of copper alloys