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The first computer could be centuries old

The Incas may have created the first computer using a system of ropes and knots.
The Conversation

How was the wheel invented? Computer simulations reveal the unlikely birth of a world‑changing technology nearly 6,000 years ago

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 ...