The current Guinness World Records holder for the world’s largest digital image is a composite photograph of a sagittal section of a 1.5-millimeter-long zebrafish embryo. The picture, created in late 2010 by Frank G. A. Faas and colleagues at the department of Molecular Cell Biology of the Leiden University Medical Center in the Netherlands, measures 921,600 by 380,928 pixels, for a total of 351,063,244,800 pixels. That’s nothing, however, compared to an image created by one Washington, DC–based developer. Almost a year in the making, the image has an area of 102,040,171,200,000 pixels — 290 times larger than the current record holder. At one pixel per inch, it would wrap around the Earth 2.7 times. If printed out at 15 DPI, a fairly common setting for large billboards, the image would be as tall as 16,408 Empire State Buildings stacked on top of each other.…