German scientists disclosed Friday new evidence that the ancient Romans used mass-production methods to make metalwares at lesser cost, just like modern factories do. A close study of a 28-centimetre-tall bronze figure of the god Mercury made in the 2nd century AD showed it was hollow - an indication of cost cutting - and that its legs were made separately, indicating some kind of assembly line to exploit economies of scale.
Technical University of Munich scientists at the FRM-II research nuclear reactor in Garching near Munich blasted the statue with neutrons to reveal metal joins that are invisible to X-rays.
Physicist Martin Mühlbauer said the neutron tomography study was done on a statue lent by Munich's Archaeological
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