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Nasa to put nuclear reactor on the Moon by 2030 - US media
Historic England is working with Pre-Construct Archaeology, Norfolk Museums Service and the National Museum of Scotland to coordinate the finds' research and conservation.
A low threshold preserves detail (more leaf nodes, less compression). A high threshold merges aggressively (fewer leaves, more compression, but the image gets blocky). The grid overlay shows the quadtree structure: large cells in uniform areas, small cells where detail is preserved.