Random Videos on Instagram: "That mesmerizing color change isn’t just for show; it’s the first step in turning a raw piece of carbon steel into a non-stick cooking machine using pure chemistry. First, the wok is superheated in a process called bluing. This intense heat creates a specific type of iron oxide layer (magnetite) on the surface, which actually helps protect the steel from rust and makes it ready for the next stage. Those shifting rainbow colors? That’s thin-film interference, the same