A search engine for places that look alike

I open sourced Similar Earth, a tool that lets you drop a pin anywhere on the planet and find every other place that looks like it. Drop a pin on a vineyard in Mendoza, a solar farm in the Mojave, or a mangrove forest in Bangladesh, and the engine returns a global heatmap of every place on Earth that shares the same satellite signature, in about two seconds. Three moves make it work: a coarse grid in memory, on demand refinement at high resolution, and aggressive caching. AlphaEarth...