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Here is the Blue Marble, Earth from Apollo 17, scattered into color and reassembled by a real merge sort. All 1048576 pixels start ...

Two real sorts rebuild the same scrambled Van Gogh's Starry Night, side by side, ranked by how many array cells each one ...

Remember watching Windows 95 defragment your hard drive? This is that, except the defragmenter is a sorting algorithm.

Start with Friedrich's Wanderer above the Sea of Fog broken into pure noise, then watch a real merge sort knit it back together.

Two real sorts rebuild the same scrambled the Mona Lisa, side by side, ranked by how many array cells each one touches.

Two sorting algorithms racing to rebuild Hokusai's Great Wave, scrambled into a grid and sorted back: quicksort (median of three) ...

Two real sorts rebuild the same scrambled the Mona Lisa, side by side, ranked by how many array cells each one touches.

Two sorts race to rebuild the same scrambled world map, in 4K. Every pixel of a real satellite map of Earth is scrambled, then both ...

Two merge sorts rebuild the same shuffled world map, side by side. Both do the same work, about 87 million comparisons and 92 ...

Left: merge sort with natural runs. Every pass starts with a sweep that finds the ascending runs already present, then merges ...

Two merge sorts rebuild the same shuffled Mona Lisa, side by side. Both do the same work, about 87 million comparisons and 92 ...