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Some artefacts found at the site—on a mound known as Tablet Hill—also reveal, Rey says, a standard metric system, the Akkad-gur, used across the empire to measure quantities of resources such ...

A 600-mile-long network of stone walls along the Nile served as an ancient water management system. Skip to main content. Open menu Close menu ... (1,520 metric tons) of quartz to build it, he ...

In the 1790s, piracy of a ship carrying metric standards intended for then-U.S. Secretary of State Thomas Jefferson played a role in America's decision to not adopt the metric system.

Yotta (24 zeroes) was the largest prefix in the metric system before the new additions. Now, the Earth's mass can be said to be about 6 ronnagrams rather than 6,000 yottagrams.