As an engineer and science educator, I found reading your coverage of the movement to abandon the metric system in the U.K. disheartening (“U.K. Weighs Saying Cheerio to Metric System,” Page One, July ...

The metric system is used to measure the length, mass or capacity of an object. Length is measured in millimetres (mm), centimetres (cm), metres (m) or kilometres (km). Mass or weight is measured in ...

is a senior reporter who has covered AI, robotics, and more for eight years at The Verge. Update, May 20th, 2019, 10AM ET: This article was originally published in November 2018. As of May 20th, 2019, ...