Installing a Neural Microelectrode Array: An array of microelectrodes connects with the brain, potentially allowing paralyzed patients to control computer interfaces with their minds.  Courtesy Kelly Johnson/University of Utah Department of Neurosurgery
Each issue of Popular Science opens with Megapixels--two of the most amazing images from the world of science and technology that month. Here, we've compiled them all from 2009 for your viewing pleasure, with some additional images from years past and present added to the mix.

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