The Unfulfilled Potential of the Metric System
Australians are fond of dunking on Americans for not using the metric system, but the conversion to metric happened in 1970 and obviously hasn't been complete. Speech here is filled with Imperial units -- inches, gallons, miles -- even among younger people who were born after the adoption of the metric system. People routinely give their heights in feet and inches and the weights of their new infants in pounds and ounces. Temperature is the only thing I would say is truly always measured in the metric system. I'm gaining an intuitive grasp of the temperature in Celsius degrees, and getting better at expressing speeds and distances using kilometers. But I miss having a unit to describe a length of about a foot. It seems like a good length to have shorthand for. My biggest problem with metric, though, is that its biggest claim to usefulness is the easy conversion among units. It turns out this is not all that easy for people practicing it. Publications are riddled with conversio...