‘Cheesegraters and Crystals’ »

Dr. Drang, weighing in on the design of the Mac Pro’s air vents:

This isn’t just marketing blather. The hole are a negative-space representation of a common atomic arrangement in metallic crystals, something that most engineers learn about in their introductory materials science class.

While I never took an introductory materials science class, this article helped me visualize the Mac Pro’s design better than anything else I’ve read about it.