What makes Stainless Steel ‘Stainless’?

I’m pretty sure you know stainless steel. It’s likely when you last ate with cutlery you handled stainless steel. So what makes this steel stainless? Chromium is key! First of all, we must understand what steel is. Steel is an alloy of iron and carbon. It is a metal that is cheap and has a…… Continue reading What makes Stainless Steel ‘Stainless’?

Gold: A Material History

Gold: A Material History – why is gold so precious? It has been used as currency for thousands of years.