How Apple Uses Rust To Make MacBooks And iPods Tough And Colourful

How Apple Uses Rust To Make MacBooks And iPods Tough And Colourful


EngineerGuy Bill Hammack explains that the finish is achieved by oxidizing — or rusting — the aluminium on the surface, enough for dye to seep into the tiny holes created by the process. The metal seems painted, but the colour is actually becomes part of the aluminium. It’s pretty cool, and another way that Apple and other bright-and-shiny makers get creative with engineering when it comes to design. [YouTube]