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12,000-year old stones may be very early evidence of wheel-like technology
Donut-shaped objects connected to a bar, forming a wheel and axle, are a key invention that springboarded technological development and are commonly associated with Bronze Age carts. Spindle ...
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12,000-year-old stones could reveal roots of wheel technology, study suggests
Spindle whorls simplify and expedite the spinning process by spinning at ... Long before the advent of cart wheels in the Bronze Age, this early rotational technology may have laid the foundation ...