The new technology, developed by Keating and a team at Harvard’s Wyss Institute, relies on printing with dithered bitmaps, a digital file format where each pixel of a grayscale image is converted into a series of black and white pixels, and the density of the black pixels is what defines the different shades of gray, rather than the pixels themselves varying in color. It’s like the way black-and-white newsprint use different sizes of black ink dots to represent shading.
The result was a 3D model of Keating’s brain that preserved all the detail shown in the MRI data, down to a resolution that’s on par with what the human eye can see from about nine inches’ distance. The team has applied the same approach to other parts of the body, too.
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