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Real game engines use this pattern (or its 3D cousin, the Octree) for broad-phase collision detection: the quadtree quickly identifies candidate pairs, and a more expensive narrow-phase check tests the actual geometry.
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Two tunnels, each 1.8 miles (3km) long, will bring in 120,000 litres of water every second to Hinkley's cooling system
圖像來源，Getty Images
"Sometimes two, three, four individuals have been buried on the same spot, again and again. There doesn't appear to be as much of a taboo over putting bodies in the same place and just moving those still there to one side."