This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American I’ve met a lot of people and learned a lot ...

Have you ever noticed that systems of measurement tends to change when you leave the United States? Weight is typically measured in kilograms instead of pounds, distance is measured in kilometers over ...

Regarding Chris Stokel-Walker’s review of Beyond Measure, opposition to the metric system hasn’t been limited to the UK (18 June, p 34). Back in the 1970s, the US Congress passed the Metric Conversion ...