![]() Scientists estimate that the brain contains nearly 100 billion neurons, the basic type of brain cell. elegans.īut the size and complexity of the human brain create far bigger challenges. Though the individual pieces may be small, on the scale of mere nanometers, drawing the wiring diagram for this machinery is theoretically possible, and has been done for very simple organisms such as the roundworm C. In the abstract, the brain is an electrochemical computer, operating on electrical impulses and chemical signals sent between cells. Treating the brain as a machine is not a far-fetched metaphor. Reverse engineering the human brain is one of the great scientific challenges of our time, and scientists at the University of Chicago and Argonne National Laboratory are combining new techniques in microscopy, neurobiology and computing to reveal the brain’s inner mechanisms in unprecedented detail. ![]() Crack open the case and look at how it’s wired together you might need an engineering degree, a microscope and a lot of time, but eventually you can puzzle out what makes any given device tick.īut can that same approach work for the most amazing machine we know, one capable of making complex calculations in a fraction of a second, while using less energy than a common light bulb? ![]() If you want to know how a machine works, it helps to look inside. ![]()
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