Anodizing Aluminum: The Secret of Apple's Durable Laptops and iPods [Video]

Engineerguy explains the secret behind Apple's durable laptops and iPods.

Bill describes how metals like aluminum and titanium are made resistant to corrosion by growing an oxide layer into the metals. These is the same process used on many Apple products. This video is based on a chapter in the book Eight Amazing Engineering Stories; learn more at http://www.engineerguy.com/elements.


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