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 – why is gold so precious? It has been used as currency for thousands of years.
They sound like something straight of science fiction – and in a way they are. They are not totally understood… Their existence was only suggested in 2012.Only recently have researchers (from Maryland/Havard University) managed to make them, as you can read here. First of all, a crystal is just something made of a repeating structure…… Continue reading What are Time Crystals?