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How was the wheel invented? Computer simulations reveal the unlikely birth of a world-changing technology
Imagine you're a copper miner in southeastern Europe in the year 3900 B.C.E. Day after day you haul copper ore through the mine's sweltering tunnels.
Imagine you're a copper miner in southeastern Europe in the year 3900 B.C.E. Day after day you haul copper ore through the mine's sweltering tunnels.
