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. You’ve resigned yourself to the grueling monotony ...
The history of the wheel is one of many quiet revolutions, says Dr Kai A James from Georgia Institute of Technology. Imagine you’re a copper miner in southeastern Europe in the year 3900 BCE. Day ...
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