Anodizing is an electrochemical process some jewelers use to change the color of metals such as titanium, aluminum, and niobium. Dipping a reactive metal into a "bath" mixture of low-sudsing detergent ...

[Titans of CNC Machining] wanted to anodize some titanium parts. They weren’t looking for a way to make the part harder or less prone to corrosion. They just wanted some color. As you can see in the ...

Here’s a fun video showing the rainbow of colors that anodized titanium can become. There are blues and purples and gold and it all changes so fast. It’s basically magic (or science!) that just ...

Aluminum has trace amounts of other alloys and elements, such as (zinc, magnesium, and silicon) present in the alloy. These other elements do not respond the same as the aluminum does during anodizing ...

My anodized-titanium card case is deep blue when I hold it normal to my line of vision. But rotating the case changes its color, eventually reaching a nice shade of violet. Why does the object change ...