A clean computer keyboard works better, lasts longer, and is more pleasant to use than a grubby snack-spattered device. During this week’s TR Dojo episode, I give you five sure-sire tips for cleaning a dirty keyboard.

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In June 2010, Apple released a redesigned Mac mini. The new model (A1347) has several improvements, such as a sleek unibody enclosure, cooling fan, user accessible RAM, HDMI output, and SD card slot. In this teardown gallery, I disassemble the Mac mini. To my surprise, the new Mac mini is a surprisingly serviceable machine.

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