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We carefully lift the lovely logic board from its aluminum nest.

Apple points out that the logic board in the Retina MacBook is 67% smaller than the logic board in the 11-inch MacBook Air.

Apple's use of the new Intel Core M processors allows for smaller form factors and fun little heat sink covers.

More impressive than the updates is the conflict-free production of the Core M processors. Thanks, Dodd—Frank!

The heat sink is nicely machined to provide multiple points of contact on the logic board—perhaps even to cool the reverse side of the logic board a bit.

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